- Academic integrity and plagiarism
- Meta-analysis and systematic reviews
- Ethics in Clinical Research
- Artificial Intelligence in Healthcare and Education
- Clinical practice guidelines implementation
- Health Systems, Economic Evaluations, Quality of Life
- scientometrics and bibliometrics research
- SARS-CoV-2 and COVID-19 Research
- Deception detection and forensic psychology
- Reliability and Agreement in Measurement
- COVID-19 epidemiological studies
- Scientific Computing and Data Management
- Academic Publishing and Open Access
- Misinformation and Its Impacts
- Syphilis Diagnosis and Treatment
- Health Sciences Research and Education
- Archaeology and Rock Art Studies
- Reproductive tract infections research
- Parasites and Host Interactions
- Innovations in Medical Education
- Cardiovascular Effects of Exercise
- Cardiac, Anesthesia and Surgical Outcomes
- Statistical and Computational Modeling
- Acute Ischemic Stroke Management
- COVID-19 Impact on Reproduction
Maastricht University
2023-2024
University of Amsterdam
2013-2024
Amsterdam University Medical Centers
2019-2024
Netherlands Institute for Social Research
2021
Vrije Universiteit Amsterdam
2021
Tilburg University
2021
Amsterdam University of Applied Sciences
2021
Utrecht University
2021
University of Chicago
2021
Amsterdam UMC Location University of Amsterdam
2014-2017
Severe acute respiratory syndrome (SARS) is a recently described illness of humans that has spread widely over the past 6 months. With use detailed epidemiologic data from Singapore and epidemic curves other settings, we estimated reproductive number for SARS in absence interventions presence control efforts. We estimate single infectious case will infect about three secondary cases population not yet instituted measures. Public-health efforts to reduce transmission are expected have...
Prevalence of research misconduct, questionable practices (QRPs) and their associations with a range explanatory factors has not been studied sufficiently among academic researchers. The National Survey on Research Integrity targeted all disciplinary fields ranks in the Netherlands. It included questions about engagement fabrication, falsification 11 QRPs over previous three years, 12 factor scales. We ensured strict identity protection used randomized response method for misconduct. 6,813...
The Grading of Recommendations Assessment, Development and Evaluation (GRADE) Working Group developed an approach to assess the quality evidence diagnostic tests. Its use in Cochrane test accuracy reviews is new. We applied this three with aim better understanding application GRADE criteria such reviews.We selected achieve clinical methodological diversities. At least assessors independently assessed each review according risk bias, indirectness, imprecision, inconsistency, publication bias....
This report describes a graduate student in microbiology Singapore whom fever and respiratory symptoms led to the diagnosis of infection with severe acute syndrome (SARS) virus September 2003. The had worked vial West Nile virus, but an epidemiologic investigation found SARS contaminating vial.
Abstract An outbreak of severe acute respiratory syndrome (SARS) was detected in Singapore at the beginning March 2003. The outbreak, initiated by a traveler to Hong Kong late February 2003, led sequential spread SARS three major care hospitals Singapore. critical factor containing this early detection and complete assessment movements follow-up patients, healthcare workers, visitors who were contacts. Visitor records important helping identify exposed persons could carry infection into...
Most randomized controlled trials evaluating medical interventions have a pre-specified hypothesis, which is statistically tested against the null hypothesis of no effect. In diagnostic accuracy studies, study hypotheses are rarely pre-defined and sample size calculations usually not performed, may jeopardize scientific rigor can lead to over-interpretation or "spin" findings. this paper, we propose strategy for defining meaningful in studies. Based on role index test clinical pathway...
The World Conferences on Research Integrity have produced significant collaborative conference statements including the Singapore Statement and more recently Hong Principles Researcher Assessment. 7th Conference (7WCRI) takes place in Cape Town from 29th May 2022 to 1st June 2022. theme of is Fostering an unequal world. We proposed statement through promotion fairness, equity diversity research collaborations contexts as major output for this conference. This paper serves introduce reader...
BackgroundPrevalence of research misconduct, questionable practices (QRPs) and their associations with a range explanatory factors has not been studied sufficiently among academic researchers.Methods The National Survey on Research Integrity was aimed at all disciplinary fields ranks in the Netherlands. survey enquired about engagement fabrication, falsification 11 QRPs over previous three years, 12 factor scales. We ensured strict identity protection used randomized response method for...
BackgroundWhile substantial attention has been paid to research misbehaviors, responsible practices (RRPs) and their potential explanatory factors have not studied extensively.Methods The National Survey on Research Integrity (NSRI) is an online survey targeting all disciplines academic ranks in Netherlands. Data was collected 11 RRPs 12 factor scales. Results were controlled for scales, rank, disciplinary field, gender, doing empirical if respondents belonged a NSRI supporting institution...
The value of a medical test depends on the context in which it might be used. Ideally, questions, results and conclusions diagnostic accuracy (DTA) systematic review should presented light this context. There is increasing acceptance for knowing impact can have downstream consequences such as costs, implications further testing treatment options however there currently no explicit guidance how to address this. Authors Cochrane recently been asked include clinical pathway maybe We aimed...
Traditionally, research integrity studies have focused on misbehaviors and their explanations. Over time, attention has shifted towards preventing questionable practices promoting responsible ones. However, data the prevalence of practices, especially open methods, codes underlying associative factors, remains scarce.
<ns3:p><ns3:bold>Background:</ns3:bold>Traditionally, research integrity studies have focused on misbehaviors and their explanations. Over time, attention has shifted towards preventing questionable practices promoting responsible ones. However, data the prevalence of practices, especially open methods, codes underlying associative factors, remains scarce.</ns3:p><ns3:p><ns3:bold>Methods:</ns3:bold>We conducted a web-based anonymized questionnaire, targeting all academic researchers working...
Objectives Development of medical test guidelines differs from intervention guideline development. These differences can pose unique challenges in building evidence-based recommendations to guide clinical practice. The aim our study was better understand these challenges, explore reasons behind them and identify possible solutions. Setting participants In this qualitative study, we conducted in-depth interviews between February 2012 April 2013 a convenience sample 17 European developers...
Proponents of open science often refer to issues pertaining research integrity and vice versa. In this commentary, we argue that concepts such as responsible practices, transparency, are connected one another, but they each have a different focus. We practices focus more on the rigorous conduct research, transparency focuses predominantly complete reporting science’s core is mostly about dissemination research. Doing justice these requires action from researchers institutions make with...
ObjectiveTo develop guidance for authors of diagnostic test accuracy (DTA) reviews to help them write a plain language summary the results their review.Study Design and SettingWe used combination focus groups, user testing, web-based survey. Participants included patient representatives, media health professionals.ResultsWe present step-by-step DTA writing summary. This is illustrated with examples reader-tested sentences, explanations, figure.ConclusionWe hope this will allow reviewers...
In the past decade, global health research has seen a growing emphasis on integrity and fairness. The concept of emerged in response to reproducibility crisis science during late 2000s. Research fairness initiatives aim enhance ownership inclusivity involving partners with varying powers, decision-making roles resource capacities, ultimately prioritising local needs. Despite extensive academic discussions, empirical data these aspects, especially context health, remain limited.
<ns3:p>Background Many interventions, especially those linked to open science, have been proposed combat the reproducibility crisis. To what extent these propositions are based on scientific evidence from empirical evaluations is not clear. Aims The primary objective identify interventions that formally investigated regarding their influence and replicability. A secondary list any facilitators or barriers reported gaps in evidence. Methods We will search broadly by using electronic...