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Andrew Francis, Vincent Moulton
Phylogenetic networks are an extension of phylogenetic trees which are used to represent evolutionary histories in which reticulation events (such as recombination and hybridization) have occurred. A central question for such networks is that of identifiability, which essentially asks under what circumstances can we reliably identify the phylogenetic network that gave rise to the observed data? Recently, identifiability results have appeared for networks relative to a model of sequence evolution that generalizes the standard Markov models used for phylogenetic trees...
March 13, 2018: Journal of Theoretical Biology
Schirin Akhbari Ziegler, Tineke Dirks, Mijna Hadders-Algra
BACKGROUND: Coaching is en vogue in pediatric physiotherapy, but often applied rather unspecific and undefined. METHODS: This paper aims to describe coaching in early physiotherapy intervention, taking the specific coaching approach of the family-centered program "COPing with and CAring for infants with special needs" (COPCA) as a case in point. RESULTS: The theoretical underpinnings of coaching in COPCA, including a meta-model, family-centered practice, the Neuronal Group Selection Theory and the goal-oriented coaching approach, are discussed...
March 16, 2018: Disability and Rehabilitation
Nancy L Segal
This article begins with the story of a 51-year-old Los Angeles, California man, Justin Goldberg, whose daughter caught a glimpse of his striking look-alike at a popular market. Many people have so-called doppelgängers, but this occurrence is especially intriguing - the individual in question, born in New York City in the mid-1960s to an unwed mother, was an adoptee placed by the Louise Wise Adoption Agency. This agency, under the guidance of a prominent psychiatrist, decided to place twins in separate homes...
March 15, 2018: Twin Research and Human Genetics: the Official Journal of the International Society for Twin Studies
Nicholas Alipui, Nicole Gerke
We are currently facing one of the largest and most complex refugee crises in modern times. Conflict and natural disasters have resulted in 22.5 million refugees worldwide, more than half are children. As the world struggles to respond to this massive displacement of people, how is this affecting child refugees' development and what is being done about it? In this commentary, we explore answers to these central questions. First, we review the situation of child refugees in numbers, exploring their geographic concentration...
March 2018: New Directions for Child and Adolescent Development
Todd D Rozen
OBJECTIVE: To present results from the United States Cluster Headache Survey comparing the clinical presentation of tobacco nonexposed and tobacco-exposed cluster headache patients. BACKGROUND: Cluster headache is uniquely tied to a personal history of tobacco usage/cigarette smoking and, if the individual cluster headache sufferer did not smoke, it has been shown that their parent(s) typically did and that individual had significant secondary smoke exposure as a child...
March 14, 2018: Headache
Christoph Rehmann-Sutter
Do we have a moral obligation to genetically cure embryos rather than selecting between them? Such an obligation would be an ethical argument for human germline gene editing (hGGE) to avoid the inheritance of genetic conditions instead of using pre-implantation genetic diagnosis (PGD). In this article, the intuition that we do have such a moral obligation is critically evaluated. The article first develops a theoretical framework for discussing the ethical questions of hGGE. This framework is based on an exploration of the phenomenology of the germline, from both biological and philosophical points of view...
April 2018: New Bioethics: a Multidisciplinary Journal of Biotechnology and the Body
J P T Lambert, H L Hicks, D Z Childs, R P Freckleton
Mapping weed densities within crops has conventionally been achieved either by detailed ecological monitoring or by field walking, both of which are time-consuming and expensive. Recent advances have resulted in increased interest in using Unmanned Aerial Systems (UAS) to map fields, aiming to reduce labour costs and increase the spatial extent of coverage. However, adoption of this technology ideally requires that mapping can be undertaken automatically and without the need for extensive ground-truthing. This approach has not been validated at large scale using UAS-derived imagery in combination with extensive ground-truth data...
February 2018: Weed Research
A Biedermann, S Bozza, F Taroni
There is ongoing discussion in forensic science and the law about the nature of the conclusions reached based on scientific evidence, and on how such conclusions - and conclusion criteria - may be justified by rational argument. Examples, among others, are encountered in fields such as fingermarks (e.g., 'this fingermark comes from Mr. A's left thumb'), handwriting examinations (e.g., 'the questioned signature is that of Mr. A'), kinship analyses (e.g., 'Mr. A is the father of child C') or anthropology (e.g...
March 2018: Science & Justice: Journal of the Forensic Science Society
Matthew Greenhawt, Edmond S Chan, David M Fleischer, Allison Hicks, Rachel Wilson, Marcus Shaker, Carina Venter, David Stukus
BACKGROUND: Recent guidelines recommend early peanut introduction (EPI) beginning around 4-6 months in infants with either severe eczema and/or egg allergy, and around 6 months for all other infants. Caregiver preferences for such practices are unkown. METHODS: We explored preferences for EPI and in-office allergy risk assessment (IRA) through a nationally-representative survey of expecting (n=1000) and new caregivers of infants < 1 year (n=1000). RESULTS: Among a primarily female (99...
March 7, 2018: Annals of Allergy, Asthma & Immunology
Kim F E van de Loo, Richelle Vlenterie, Sylke J Nikkels, Peter J F M Merkus, Jolt Roukema, Chris M Verhaak, Nel Roeleveld, Marleen M H J van Gelder
BACKGROUND: Depression and anxiety during pregnancy are associated with adverse health outcomes for both mother and child. This study aims to investigate the occurrence of symptoms of depression and anxiety in early and late pregnancy, the longitudinal changes from early to late pregnancy, and factors associated with symptoms of depression and anxiety in pregnant women in the Netherlands. METHODS: We studied 2897 women participating in the PRegnancy and Infant DEvelopment (PRIDE) Study...
March 8, 2018: Birth
Steffie V Gundersen, Robert Goodman, Lars Clemmensen, Martin K Rimvall, Anja Munkholm, Charlotte Ulrikka Rask, Anne Mette Skovgaard, Jim Van Os, Pia Jeppesen
AIM: Valid instruments for the early identification of psychotic experiences (PE) and symptoms in youths are urgently needed for large-scale preventive interventions. A new section of The-Development-and-Well-Being Assessment (DAWBA) measuring child self-reported PE has yet to be validated. The current study aimed to investigate the concurrent validity of DAWBA-based self-reported PE (PE-S) with regard to interview-based measures of PE (PE-I). METHODS: Participants were 1571 (47...
March 8, 2018: Early Intervention in Psychiatry
Honghu Liu, Ron Hays, Yan Wang, Marvin Marcus, Carl Maida, Jie Shen, Di Xiong, Steve Lee, Vladimir Spolsky, Ian Coulter, James Crall
PURPOSE: Children and adolescents are vulnerable to dental problems and oral diseases. This paper presents the development of two multi-item self-report scales for use in assessing oral health status of children and adolescents. METHODS: Following the Patient-Reported Outcome Measurement Information System framework, survey questions were designed using a newly developed conceptual model. These items were administered to 334 children and adolescents (8-17 years) along with concurrent dental exams...
March 5, 2018: Quality of Life Research
Donald L Chi, Peter Milgrom, Jane Gillette
Purpose: The purpose of this study was to use qualitative methods to describe the key lessons learned during the stakeholder engagement stage of planning a randomized clinical trial comparing outcomes of silver diamine fluoride (SDF) as an alternative to pit-and-fissure sealants in a school-based delivery system. Methods: Eighteen caregivers and community-based stakeholders with involvement in the school-based sealant program Sealants for Smiles from the state of Montana, were recruited for this qualitative study...
February 2018: Journal of Dental Hygiene: JDH
Barbara Jones, Jennifer Currin-Mcculloch, Wendy Pelletier, Vicki Sardi-Brown, Peter Brown, Lori Wiener
In 2015, an interdisciplinary group of psychosocial experts developed The Standards of Psychosocial Care for Children with Cancer and Their Families. This paper presents data from a national survey of pediatric oncology social workers and their experiences in delivering psychosocial care to children and families. In total, 107 social workers from 81 cancer institutions participated in a 25-item online survey that mirrored the 15 Standards for Psychosocial Care. Both closed and open-ended questions were included...
April 2018: Social Work in Health Care
Brian Holoyda, Jacqueline Landess, Renee Sorrentino, Susan Hatters Friedman
The last decade has seen a rapid increase in the use of smartphones among young children and adolescents. One consequence of this phenomenon is sexting. Although researchers of sexting have yet to arrive at a single, cohesive definition for the behavior, it generally involves the transmission of text, pictures, or videos containing sexual material. Different definitions of the behavior have led to widely varying estimates of its prevalence, although some studies have documented relatively high rates of sexting among teenagers...
March 2, 2018: Behavioral Sciences & the Law
Nicholas Graetz, Joseph Friedman, Aaron Osgood-Zimmerman, Roy Burstein, Molly H Biehl, Chloe Shields, Jonathan F Mosser, Daniel C Casey, Aniruddha Deshpande, Lucas Earl, Robert C Reiner, Sarah E Ray, Nancy Fullman, Aubrey J Levine, Rebecca W Stubbs, Benjamin K Mayala, Joshua Longbottom, Annie J Browne, Samir Bhatt, Daniel J Weiss, Peter W Gething, Ali H Mokdad, Stephen S Lim, Christopher J L Murray, Emmanuela Gakidou, Simon I Hay
Educational attainment for women of reproductive age is linked to reduced child and maternal mortality, lower fertility and improved reproductive health. Comparable analyses of attainment exist only at the national level, potentially obscuring patterns in subnational inequality. Evidence suggests that wide disparities between urban and rural populations exist, raising questions about where the majority of progress towards the education targets of the Sustainable Development Goals is occurring in African countries...
February 28, 2018: Nature
Marie Cooke, Amanda J Ullman, Gillian Ray-Barruel, Marianne Wallis, Amanda Corley, Claire M Rickard
Peripheral intravascular cannula/catheter (PIVC) insertion is a common invasive procedure, but PIVC failure before the end of therapy is unacceptably high. As PIVC failure disrupts treatment and reinsertion can be distressing for the patient, prevention of PIVC failure is an important patient outcome. Consumer participation in PIVC care to prevent failure is an untapped resource. This study aimed to understand consumers' PIVC experience; establish aspects of PIVC insertion and care relevant to them; and to compare experiences of adult consumers to adult carers of a child...
2018: PloS One
Ashley Grosso, Shianne Busch, Tampose Mothopeng, Stephanie Sweitzer, John Nkonyana, Nkomile Mpooa, Noah Taruberekera, Stefan Baral
INTRODUCTION: Sustainable Development Goals (SDGs) about gender equality; decent work; and peace, justice, and strong institutions include a focus on eradicating trafficking and sexual exploitation of and violence against women and children. In Lesotho, 86% of women have experienced gender-based violence. In addition, overall HIV prevalence is among the highest globally, and higher among adolescent girls than boys. Moreover, nearly three quarters of female sex workers (FSW) are estimated to be living with HIV in Lesotho...
February 2018: Journal of the International AIDS Society
Ali Anwar, Michael D Yingling, Alicia Zhang, Ujjwal Ramtekkar, Ginger E Nicol
As part of a university-based quality improvement project, we aimed to evaluate child psychiatrists' knowledge, skills, attitudes, and practices regarding assessment and treatment of pediatric sleep problems. We developed a nine-question survey of knowledge, skills, attitudes, and practices regarding assessing for and treating sleep complaints in pediatric patients, and administered this survey to child psychiatrists in training and in practice in the state of Missouri. Respondents reported sleep hygiene as the first-line treatment strategy, followed by the use of supplements or over-the-counter remedies...
February 23, 2018: Medical Sciences: Open Access Journal
Paul S Albert
Prediction of preterm birth as well as characterizing the etiological factors affecting both the recurrence and incidence of preterm birth (defined as gestational age at birth ≤ 37 wk) are important problems in obstetrics. The National Institute of Child Health and Human Development (NICHD) consecutive pregnancy study recently examined this question by collecting data on a cohort of women with at least 2 pregnancies over a fixed time interval. Unfortunately, measurement error due to the dating of conception may induce sizable error in computing gestational age at birth...
February 21, 2018: Statistics in Medicine
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