1. Division of Preventive Medicine and Knowledge and Evaluation Research Unit, Mayo Clinic, Minnesota
2. Knowledge and Evaluation Research Unit, Mayo Clinic, Rochester, Minnesota
3. Departments of Medicine and Health Research and Policy, Stanford University School of Medicine; Department of Statistics, Stanford University School of Humanities and Sciences; and Meta-Research Innovation Center at Stanford (METRICS), Stanford University
4. Departments of Medicine and Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada
5. Departments of Medicine and Clinical Epidemiology and Biostatistics and Population Health Research Institute, McMaster University, Hamilton, Ontario, Canada
6. All India Institute of Medical Sciences, New Delhi
7. Department of Internal Medicine, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
8. Evidence-Based Dentistry Unit, Faculty of Dentistry, Universidad de Chile, Santiago, Chile, and Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada
9. Department Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada
10. Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
11. Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada
12. Columbia University Medical Center, New York, New York