1. Predictive Analytics and Comparative Effectiveness (PACE) Center, Institute for Clinical Research and Health Policy Studies, Tufts Medical Center, Boston, Massachusetts (D.M.K., J.K.P., J.B.W.)
2. Erasmus Medical Center, Rotterdam, the Netherlands, and Predictive Analytics and Comparative Effectiveness (PACE) Center, Institute for Clinical Research and Health Policy Studies, Tufts Medical Center, Boston, Massachusetts (D.V.)
3. Boston University, Boston, Massachusetts (R.D.)
4. Meta-Research Innovation Center at Stanford (METRICS), Stanford University, Stanford, California (S.G., J.P.I.)
5. University of Michigan, Ann Arbor, Michigan (R.H.)
6. Duke Clinical Research Institute, Duke University, Durham, North Carolina (B.P., M.P.)
7. Virginia Polytechnic Institute and State University, Blacksburg, Virginia (S.M.)
8. Center for Clinical Evidence Synthesis, Institute for Clinical Research and Health Policy Studies, Tufts Medical Center, Boston, Massachusetts (G.R.)
9. Schools of Medicine and Public Health, Yale University, New Haven, Connecticut (J.S.R.)
10. Center for Cardiovascular Health Services Research, Institute for Clinical Research and Health Policy Studies, Tufts Medical Center, and Tufts Clinical and Translational Science Institute, Boston, Massachusetts (H.P.S.)
11. Center on Aging and Health, Johns Hopkins University, Baltimore, Maryland (R.V.)
12. Memorial Sloan Kettering Cancer Center, New York, New York (A.V.)
13. Leiden University Medical Center, Leiden, the Netherlands (E.W.S.)