1 Departments of Laboratory Medicine and Pathology, Boston Children's Hospital and Harvard Medical School, Boston, MA; nader.rifai@childrens.harvard.edu.
2 Department of Clinical Epidemiology, Biostatistics and Bioinformatics, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands;
3 C.F. Rehnborg Chair in Disease Prevention, Professor of Medicine, of Health Research and Policy, and of Statistics, and Co-director, Meta-Research Innovation Center at Stanford (METRICS), Stanford University, Stanford, CA;
5 Mathematical statistician, US National Cancer Institute, Bethesda, MD;
6 Deputy Editor, JAMA, Chicago, IL;
7 Director of the Netherlands Trial Register, Amsterdam, the Netherlands; Deputy-director of the Dutch Cochrane Centre, Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands.