Attention-deficit/hyperactivity disorder (ADHD) affects 3%–5% of children and about 2.5% of adults, though prevalence varies ...

Objectives To assess the efficacy of smartphone apps for smoking cessation (SC) used alone or combined with traditional interventions, and to determine whether apps based on psychological-behavioural ...

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Correspondence to Professor John Brodersen, Centre of Research & Education in General Practice, Department of Public Health, University of Copenhagen, Faculty of Health Sciences, Copenhagen 1014, ...

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Introduction: High-quality randomised controlled trials (RCTs) provide the most reliable evidence on the comparative efficacy of new medicines. However, non-randomised studies (NRS) are increasingly ...

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Objectives The synthesis of individual patient data (IPD) from randomised clinical trials (RCTs) can strengthen evidence used for decision-making. Network meta-analyses (NMA) modelling IPD usually ...

3 Department of Clinical Pharmacy, St. Antonius Hospital, Utrecht/Nieuwegein, The Netherlands 4 Division of Pharmacoepidemiology and Clinical Pharmacology, Utrecht Institute for Pharmaceutical ...

Registration of health and medical research is an effective way of improving the transparency and credibility of evidence. Registration involves pre-specifying the research objectives, design, methods ...

3 University of Utah College of Educational Psychology 1721 Campus Center Drive Saec, 3220 S, Salt Lake City, UT 84109 4 University of Utah School of Medicine 375 Chipeta Way, Salt Lake City, UT 84108 ...

6 Division of Health Care Delivery Research, Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Rochester, USA 7 Division of Endocrinology, Diabetes, Metabolism, and ...