1 Division of Evidence-Based Medicine, Department of Internal Medicine; and Departments of Hematology and Health Outcome Behavior, H. Lee Mofitt Cancer Center and Research Institute, University of South Florida, Tampa.
2 Department of Mathematics, Indiana University, Gary.
3 Stanford Prevention Research Center, Department of Medicine, and Department of Health Research and Policy, Stanford University School of Medicine; Department of Statistics, Stanford University School of Humanities and Sciences; and Meta-Research Innovatio.