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https://www.readbyqxmd.com/read/29778738/risk-adapted-therapy-for-young-children-with-medulloblastoma-sjyc07-therapeutic-and-molecular-outcomes-from-a-multicentre-phase-2-trial
#1
Giles W Robinson, Vasilisa A Rudneva, Ivo Buchhalter, Catherine A Billups, Sebastian M Waszak, Kyle S Smith, Daniel C Bowers, Anne Bendel, Paul G Fisher, Sonia Partap, John R Crawford, Tim Hassall, Daniel J Indelicato, Frederick Boop, Paul Klimo, Noah D Sabin, Zoltan Patay, Thomas E Merchant, Clinton F Stewart, Brent A Orr, Jan O Korbel, David T W Jones, Tanvi Sharma, Peter Lichter, Marcel Kool, Andrey Korshunov, Stefan M Pfister, Richard J Gilbertson, Robert P Sanders, Arzu Onar-Thomas, David W Ellison, Amar Gajjar, Paul A Northcott
BACKGROUND: Young children with medulloblastoma have a poor overall survival compared with older children, due to use of radiation-sparing therapy in young children. Radiotherapy is omitted or reduced in these young patients to spare them from debilitating long-term side-effects. We aimed to estimate event-free survival and define the molecular characteristics associated with progression-free survival in young patients with medulloblastoma using a risk-stratified treatment strategy designed to defer, reduce, or delay radiation exposure...
May 16, 2018: Lancet Oncology
https://www.readbyqxmd.com/read/29778514/conditional-admission-religious-exemption-type-and-nonmedical-vaccine-exemptions-in-california-before-and-after-a-state-policy-change
#2
Alison M Buttenheim, Malia Jones, Caitlin Mckown, Daniel Salmon, Saad B Omer
Recent measles and pertussis outbreaks in the US have focused national attention on state laws governing exemptions from mandatory vaccines for school entry. After several years of increases in nonmedical exemptions in California, the state assembly passed Assembly Bill 2109 in 2012, making nonmedical exemptions more difficult to obtain by requiring parents to obtain a signature from a health care provider. We used data from the California Department of Public Health to describe changes in the overall prevalence of personal belief exemptions and compositional changes in immunization status for the school years 2012-2013 through 2015-2016...
May 16, 2018: Vaccine
https://www.readbyqxmd.com/read/29776407/comparative-genomics-of-the-miniature-wasp-and-pest-control-agent-trichogramma-pretiosum
#3
Amelia R I Lindsey, Yogeshwar D Kelkar, Xin Wu, Dan Sun, Ellen O Martinson, Zhichao Yan, Paul F Rugman-Jones, Daniel S T Hughes, Shwetha C Murali, Jiaxin Qu, Shannon Dugan, Sandra L Lee, Hsu Chao, Huyen Dinh, Yi Han, Harsha Vardhan Doddapaneni, Kim C Worley, Donna M Muzny, Gongyin Ye, Richard A Gibbs, Stephen Richards, Soojin V Yi, Richard Stouthamer, John H Werren
BACKGROUND: Trichogrammatids are minute parasitoid wasps that develop within other insect eggs. They are less than half a millimeter long, smaller than some protozoans. The Trichogrammatidae are one of the earliest branching families of Chalcidoidea: a diverse superfamily of approximately half a million species of parasitoid wasps, proposed to have evolved from a miniaturized ancestor. Trichogramma are frequently used in agriculture, released as biological control agents against major moth and butterfly pests...
May 18, 2018: BMC Biology
https://www.readbyqxmd.com/read/29775354/mapping-the-complete-reaction-path-of-a-complex-photochemical-reaction
#4
Adam D Smith, Emily M Warne, Darren Bellshaw, Daniel A Horke, Maria Tudorovskya, Emma Springate, Alfred J H Jones, Cephise Cacho, Richard T Chapman, Adam Kirrander, Russell S Minns
We probe the dynamics of dissociating CS_{2} molecules across the entire reaction pathway upon excitation. Photoelectron spectroscopy measurements using laboratory-generated femtosecond extreme ultraviolet pulses monitor the competing dissociation, internal conversion, and intersystem crossing dynamics. Dissociation occurs either in the initially excited singlet manifold or, via intersystem crossing, in the triplet manifold. Both product channels are monitored and show that, despite being more rapid, the singlet dissociation is the minor product and that triplet state products dominate the final yield...
May 4, 2018: Physical Review Letters
https://www.readbyqxmd.com/read/29774988/differences-in-primary-cardiovascular-disease-prevention-between-the-2013-and-2016-cholesterol-guidelines-and-impact-of-the-2017-hypertension-guideline-in-the-united-states
#5
Brent M Egan, Jiexiang Li, Robert A Davis, Kevin A Fiscella, Jonathan N Tobin, Daniel W Jones, Angelo Sinopoli
The US Preventive Services Task Force cholesterol guideline recommended statins for fewer adults than the 2013 American College of Cardiology/American Heart Association (ACC/AHA) guideline by setting a higher 10-year atherosclerotic cardiovascular disease threshold (≥10.0% vs ≥7.5%) and requiring concomitant diabetes mellitus, hypertension, dyslipidemia, or cigarette smoking. The 2017 ACC/AHA hypertension guideline lowered the hypertension threshold, increasing 2016 guideline statin-eligible adults. Cross-sectional data on US adults aged 40 to 75 years enabled estimated numbers for the 2013 guideline and 2016 guideline with hypertension thresholds of ≥140/≥90 mm Hg and ≥130/80 mm Hg, respectively, on: (1) untreated, statin-eligible adults for primary atherosclerotic cardiovascular disease prevention (25...
May 18, 2018: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/29774433/dynamic-and-thermodynamic-crossover-scenarios-in-the-kob-andersen-mixture-insights-from-multi-cpu-and-multi-gpu-simulations
#6
Daniele Coslovich, Misaki Ozawa, Walter Kob
The physical behavior of glass-forming liquids presents complex features of both dynamic and thermodynamic nature. Some studies indicate the presence of thermodynamic anomalies and of crossovers in the dynamic properties, but their origin and degree of universality is difficult to assess. Moreover, conventional simulations are barely able to cover the range of temperatures at which these crossovers usually occur. To address these issues, we simulate the Kob-Andersen Lennard-Jones mixture using efficient protocols based on multi-CPU and multi-GPU parallel tempering...
May 17, 2018: European Physical Journal. E, Soft Matter
https://www.readbyqxmd.com/read/29772184/tuning-interfacial-properties-and-processes-by-controlling-the-rheology-and-structure-of-pnipam-particles-at-air-water-interfaces
#7
Armando Maestro, Daniel William Jones, Carmen S de Rojas Sanchez, Eduardo Guzmán, Michael H G Duits, Pietro Cicuta
In this work, by combining controlled experiments on single interfaces with measurements on solitary bubbles and liquid foams, we show that Poly N-Isopropyl Acrylamide (PNIPAM) microgels assembled at air/water interfaces exhibit a solid to liquid transition changing the temperature, and that this is associated with the change in the interfacial microstructure of the PNIPAM particles around their volume phase transition temperature VPTT. We show that the solid behaves as a soft 2D colloidal glass, and that the existence of this solid/liquid transition offers an ideal platform for tuning the permeability of air bubbles covered by PNIPAM and to control macroscopic foam properties such as drainage, stability and foamability...
May 17, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29766310/it-s-better-to-be-lucky
#8
Daniel Bougère Jones
Presidential Address at the 2018 SAGES Annual Meeting Seattle, Washington, April 13, 2018. Working together, there is no limit to what SAGES teams can achieve with innovation, passion, persistence, and a little luck. The speech highlights several SAGES initiatives, and he recognizes their champions.
May 15, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29765524/cross-platform-comparison-for-the-detection-of-ras-mutations-in-cfdna-ddpcr-biorad-detection-assay-beaming-assay-and-ngs-strategy
#9
Jessica Garcia, Julien Forestier, Eric Dusserre, Anne-Sophie Wozny, Florence Geiguer, Patrick Merle, Claire Tissot, Carole Ferraro-Peyret, Frederick S Jones, Daniel L Edelstein, Valérie Cheynet, Claire Bardel, Gaelle Vilchez, Zhenyu Xu, Pierre Paul Bringuier, Marc Barritault, Karen Brengle-Pesce, Marielle Guillet, Marion Chauvenet, Brigitte Manship, Marie Brevet, Claire Rodriguez-Lafrasse, Valérie Hervieu, Sébastien Couraud, Thomas Walter, Léa Payen
CfDNA samples from colon (mCRC) and non-small cell lung cancers (NSCLC) (CIRCAN cohort) were compared using three platforms: droplet digital PCR (ddPCR, Biorad); BEAMing/OncoBEAM™-RAS-CRC (Sysmex Inostics); next-generation sequencing (NGS, Illumina), utilizing the 56G oncology panel (Swift Biosciences). Tissue biopsy and time matched cfDNA samples were collected at diagnosis in the mCRC cohort and during 1st progression in the NSCLC cohort. Excellent matches between cfDNA/FFPE mutation profiles were observed...
April 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29763623/molecular-pathological-radiological-and-immune-profiling-of-non-brainstem-pediatric-high-grade-glioma-from-the-herby-phase-ii-randomized-trial
#10
Alan Mackay, Anna Burford, Valeria Molinari, David T W Jones, Elisa Izquierdo, Jurriaan Brouwer-Visser, Felice Giangaspero, Christine Haberler, Torsten Pietsch, Thomas S Jacques, Dominique Figarella-Branger, Daniel Rodriguez, Paul S Morgan, Pichai Raman, Angela J Waanders, Adam C Resnick, Maura Massimino, Maria Luisa Garrè, Helen Smith, David Capper, Stefan M Pfister, Thomas Würdinger, Rachel Tam, Josep Garcia, Meghna Das Thakur, Gilles Vassal, Jacques Grill, Tim Jaspan, Pascale Varlet, Chris Jones
The HERBY trial was a phase II open-label, randomized, multicenter trial evaluating bevacizumab (BEV) in addition to temozolomide/radiotherapy in patients with newly diagnosed non-brainstem high-grade glioma (HGG) between the ages of 3 and 18 years. We carried out comprehensive molecular analysis integrated with pathology, radiology, and immune profiling. In post-hoc subgroup analysis, hypermutator tumors (mismatch repair deficiency and somatic POLE/POLD1 mutations) and those biologically resembling pleomorphic xanthoastrocytoma ([PXA]-like, driven by BRAF_V600E or NF1 mutation) had significantly more CD8+ tumor-infiltrating lymphocytes, and longer survival with the addition of BEV...
May 14, 2018: Cancer Cell
https://www.readbyqxmd.com/read/29762265/link-between-celiac-disease-and-inflammatory-bowel-disease
#11
Ayesha Shah, Marjorie Walker, Daniel Burger, Neal Martin, Moritz von Wulffen, Natasha Koloski, Mike Jones, Nicholas J Talley, Gerald J Holtmann
GOAL: The aim of this analysis was to assess in patients with inflammatory bowel disease (IBD) the risk of celiac disease and in celiac disease patients the risk of IBD. BACKGROUND: Previous studies report a possible association between IBD and celiac disease; however, this link is controversial. STUDY: Using the search terms "inflammatory bowel disease" and "celiac disease," we identified initially 1525 publications. In total 27 studies met inclusion criteria...
May 14, 2018: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/29762091/rapid-automated-quantification-of-cerebral-leukoaraiosis-on-ct-images-a-multicenter-validation-study
#12
Liang Chen, Anoma Lalani Carlton Jones, Grant Mair, Rajiv Patel, Anastasia Gontsarova, Jeban Ganesalingam, Nikhil Math, Angela Dawson, Basaam Aweid, David Cohen, Amrish Mehta, Joanna Wardlaw, Daniel Rueckert, Paul Bentley
Purpose To validate a random forest method for segmenting cerebral white matter lesions (WMLs) on computed tomographic (CT) images in a multicenter cohort of patients with acute ischemic stroke, by comparison with fluid-attenuated recovery (FLAIR) magnetic resonance (MR) images and expert consensus. Materials and Methods A retrospective sample of 1082 acute ischemic stroke cases was obtained that was composed of unselected patients who were treated with thrombolysis or who were undergoing contemporaneous MR imaging and CT, and a subset of International Stroke Thrombolysis-3 trial participants...
May 15, 2018: Radiology
https://www.readbyqxmd.com/read/29758480/analytical-and-clinical-performance-of-progesterone-receptor-antibodies-in-breast-cancer
#13
Benjamin C Calhoun, Brian Mosteller, Daniel Warren, Margie Smith, J Jordi Rowe, Christopher P Lanigan, Karen C Mrazeck, Espen Walker, Amy Hanlon Newell, Raymond Jones
OBJECTIVE: Comparison of analytical and immunohistochemical performance of progesterone receptor (PR) antibodies with correlation to recurrence of invasive breast cancer treated with endocrine therapy. METHODS: The binding-affinity kinetics of PR clones 1E2, 1A6, 16 and 636 were compared using synthetic peptides derived from identified epitopes on a Biacore T200. A cohort of 351 cases (Hormone Receptor (HR)+/HER2-) were stained for PR expression with immunohistochemistry (IHC) and scored according to ASCO/CAP criteria...
February 27, 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29758282/stevens-johnson-syndrome-toxic-epidermal-necrolysis-a-multicenter-retrospective-study-of-377-adult-patients-from-the-united-states
#14
Robert G Micheletti, Zelma Chiesa-Fuxench, Megan H Noe, Sasha Stephen, Maria Aleshin, Ashwin Agarwal, Jennifer Boggs, Adela R Cardones, Jennifer K Chen, Jonathan Cotliar, Mark Dp Davis, Arturo Dominguez, Lindy P Fox, Shayna Gordon, Ronald Hamrick, Baran Ho, Lauren C Hughey, Larry M Jones, Benjamin H Kaffenberger, Kimball Kindley, Daniela Kroshinsky, Bernice Y Kwong, Daniel D Miller, Arash Mostaghimi, Amy Musiek, Alex G Ortega-Loayza, Raj Patel, Alba Posligua, Monica Rani, Sandeep Saluja, Victoria R Sharon, Kanade Shinkai, Jessica St John, Nicole Strickland, Erika M Summers, Natalie Sun, Karolyn A Wanat, David A Wetter, Scott Worswick, Caroline Yang, David J Margolis, Joel M Gelfand, Misha Rosenbach
Stevens-Johnson syndrome / toxic epidermal necrolysis (SJS/TEN) is a rare, severe mucocutaneous reaction with few large cohorts reported. This multicenter retrospective study included patients with SJS/TEN seen by inpatient consultative dermatologists at 18 academic medical centers in the United States. 377 adult patients with SJS/TEN between 1/1/2000 and 6/1/2015 were entered, including 69.0% from 2010 onward. The most frequent cause of SJS/TEN was medication reaction (89.7%), most often trimethoprim / sulfamethoxazole (27...
May 11, 2018: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/29753765/maximization-of-the-usage-of-coronary-cta-derived-plaque-information-using-a-machine-learning-based-algorithm-to-improve-risk-stratification-insights-from-the-confirm-registry
#15
Alexander R van Rosendael, Gabriel Maliakal, Kranthi K Kolli, Ashley Beecy, Subhi J Al'Aref, Aeshita Dwivedi, Gurpreet Singh, Mohit Panday, Amit Kumar, Xiaoyue Ma, Stephan Achenbach, Mouaz H Al-Mallah, Daniele Andreini, Jeroen J Bax, Daniel S Berman, Matthew J Budoff, Filippo Cademartiri, Tracy Q Callister, Hyuk-Jae Chang, Kavitha Chinnaiyan, Benjamin J W Chow, Ricardo C Cury, Augustin DeLago, Gudrun Feuchtner, Martin Hadamitzky, Joerg Hausleiter, Philipp A Kaufmann, Yong-Jin Kim, Jonathon A Leipsic, Erica Maffei, Hugo Marques, Gianluca Pontone, Gilbert L Raff, Ronen Rubinshtein, Leslee J Shaw, Todd C Villines, Heidi Gransar, Yao Lu, Erica C Jones, Jessica M Peña, Fay Y Lin, James K Min
INTRODUCTION: Machine learning (ML) is a field in computer science that demonstrated to effectively integrate clinical and imaging data for the creation of prognostic scores. The current study investigated whether a ML score, incorporating only the 16 segment coronary tree information derived from coronary computed tomography angiography (CCTA), provides enhanced risk stratification compared with current CCTA based risk scores. METHODS: From the multi-center CONFIRM registry, patients were included with complete CCTA risk score information and ≥3 year follow-up for myocardial infarction and death (primary endpoint)...
April 30, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/29753700/spectrum-and-prevalence-of-genetic-predisposition-in-medulloblastoma-a-retrospective-genetic-study-and-prospective-validation-in-a-clinical-trial-cohort
#16
Sebastian M Waszak, Paul A Northcott, Ivo Buchhalter, Giles W Robinson, Christian Sutter, Susanne Groebner, Kerstin B Grund, Laurence Brugières, David T W Jones, Kristian W Pajtler, A Sorana Morrissy, Marcel Kool, Dominik Sturm, Lukas Chavez, Aurelie Ernst, Sebastian Brabetz, Michael Hain, Thomas Zichner, Maia Segura-Wang, Joachim Weischenfeldt, Tobias Rausch, Balca R Mardin, Xin Zhou, Cristina Baciu, Christian Lawerenz, Jennifer A Chan, Pascale Varlet, Lea Guerrini-Rousseau, Daniel W Fults, Wiesława Grajkowska, Peter Hauser, Nada Jabado, Young-Shin Ra, Karel Zitterbart, Suyash S Shringarpure, Francisco M De La Vega, Carlos D Bustamante, Ho-Keung Ng, Arie Perry, Tobey J MacDonald, Pablo Hernáiz Driever, Anne E Bendel, Daniel C Bowers, Geoffrey McCowage, Murali M Chintagumpala, Richard Cohn, Timothy Hassall, Gudrun Fleischhack, Tone Eggen, Finn Wesenberg, Maria Feychting, Birgitta Lannering, Joachim Schüz, Christoffer Johansen, Tina V Andersen, Martin Röösli, Claudia E Kuehni, Michael Grotzer, Kristina Kjaerheim, Camelia M Monoranu, Tenley C Archer, Elizabeth Duke, Scott L Pomeroy, Redmond Shelagh, Stephan Frank, David Sumerauer, Wolfram Scheurlen, Marina V Ryzhova, Till Milde, Christian P Kratz, David Samuel, Jinghui Zhang, David A Solomon, Marco Marra, Roland Eils, Claus R Bartram, Katja von Hoff, Stefan Rutkowski, Vijay Ramaswamy, Richard J Gilbertson, Andrey Korshunov, Michael D Taylor, Peter Lichter, David Malkin, Amar Gajjar, Jan O Korbel, Stefan M Pfister
BACKGROUND: Medulloblastoma is associated with rare hereditary cancer predisposition syndromes; however, consensus medulloblastoma predisposition genes have not been defined and screening guidelines for genetic counselling and testing for paediatric patients are not available. We aimed to assess and define these genes to provide evidence for future screening guidelines. METHODS: In this international, multicentre study, we analysed patients with medulloblastoma from retrospective cohorts (International Cancer Genome Consortium [ICGC] PedBrain, Medulloblastoma Advanced Genomics International Consortium [MAGIC], and the CEFALO series) and from prospective cohorts from four clinical studies (SJMB03, SJMB12, SJYC07, and I-HIT-MED)...
May 9, 2018: Lancet Oncology
https://www.readbyqxmd.com/read/29753517/liberal-versus-restrictive-intravenous-fluid-therapy-for-early-septic-shock-rationale-for-a-randomized-trial
#17
Wesley H Self, Matthew W Semler, Rinaldo Bellomo, Samuel M Brown, Bennett P deBoisblanc, Matthew C Exline, Adit A Ginde, Colin K Grissom, David R Janz, Alan E Jones, Kathleen D Liu, Stephen P J Macdonald, Chadwick D Miller, Pauline K Park, Lora A Reineck, Todd W Rice, Jay S Steingrub, Daniel Talmor, Donald M Yealy, Ivor S Douglas, Nathan I Shapiro
Prompt intravenous fluid therapy is a fundamental treatment for patients with septic shock. However, the optimal approach for administering intravenous fluid in septic shock resuscitation is unknown. Two competing strategies are emerging: a liberal fluids approach, consisting of a larger volume of initial fluid (50 to 75 mL/kg [4 to 6 L in an 80-kg adult] during the first 6 hours) and later use of vasopressors, versus a restrictive fluids approach, consisting of a smaller volume of initial fluid (≤30 mL/kg [≤2 to 3 L]), with earlier reliance on vasopressor infusions to maintain blood pressure and perfusion...
May 9, 2018: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/29752388/predicting-the-benefits-of-percutaneous-coronary-intervention-on-1-year-angina-and-quality-of-life-in-stable-ischemic-heart-disease-risk-models-from-the-courage-trial-clinical-outcomes-utilizing-revascularization-and-aggressive-drug-evaluation
#18
Zugui Zhang, Philip Jones, William S Weintraub, G B John Mancini, Steven Sedlis, David J Maron, Koon Teo, Pamela Hartigan, William Kostuk, Daniel Berman, William E Boden, John A Spertus
BACKGROUND: Percutaneous coronary intervention (PCI) is a therapy to reduce angina and improve quality of life in patients with stable ischemic heart disease. However, it is unclear whether the quality of life after PCI is more dependent on the PCI or other patient-related factors. To address this question, we created models to predict angina and quality of life 1 year after PCI and medical therapy. METHODS AND RESULTS: Using data from the 2287 stable ischemic heart disease patients randomized in the COURAGE trial (Clinical Outcomes Utilizing Revascularization and Aggressive Drug Evaluation) to PCI plus optimal medical therapy (OMT) versus OMT alone, we built prediction models for 1-year Seattle Angina Questionnaire angina frequency, physical limitation, and quality of life scores, both as continuous outcomes and categorized by clinically desirable states, using multivariable techniques...
May 2018: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/29748148/clinical-and-biochemical-features-of-different-molecular-etiologies-of-familial-chylomicronemia
#19
Robert A Hegele, Amanda J Berberich, Matthew R Ban, Jian Wang, Andres Digenio, Veronica J Alexander, Laura D'Erasmo, Marcello Arca, Alan Jones, Eric Bruckert, Erik S Stroes, Jean Bergeron, Fernando Civeira, Joseph L Witztum, Daniel Gaudet
BACKGROUND: Familial chylomicronemia syndrome (FCS) is an ultra-rare phenotype that is usually caused by biallelic mutations in the LPL gene encoding lipoprotein lipase, or less often in APOC2, APOA5, LMF1, or GPIHBP1 genes encoding cofactors or interacting proteins. OBJECTIVES: We evaluated baseline phenotypes among FCS participants in a phase 3 randomized placebo-controlled trial of volanesorsen (NCT02211209). METHODS: Baseline clinical, fasting, and postfat load metabolic markers were assessed...
April 4, 2018: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/29741957/effects-of-proud-large-osteochondral-plugs-on-contact-forces-and-knee-kinematics-a-robotic-study
#20
Peter Z Du, Keith L Markolf, Daniel V Boguszewski, Kent T Yamaguchi, Christopher J Lama, David R McAllister, Kristofer J Jones
BACKGROUND: Osteochondral allograft (OCA) transplantation is used to treat large focal femoral condylar articular cartilage defects. A proud plug could affect graft survival by altering contact forces (CFs) and knee kinematics. HYPOTHESIS: A proud OCA plug will significantly increase CF and significantly alter knee kinematics throughout controlled knee flexion. STUDY DESIGN: Controlled laboratory study. METHODS: Human cadaver knees had miniature load cells, each with a 20-mm-diameter cylinder of native bone/cartilage attached at its exact anatomic position, installed in both femoral condyles at standardized locations representative of clinical defects...
May 1, 2018: American Journal of Sports Medicine
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