1. Division of General Internal Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland (M.V., S.M.O.)
2. Center for Human Nutrition, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland (L.E.C., K.M.H., J.L.L.)
3. Center for Evidence-Based Practice, Johns Hopkins University School of Medicine, Baltimore, Maryland (R.S., A.Z.)
4. Department of Population, Family and Reproductive Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland (S.M.G.)
5. Division of General Internal Medicine and Center for Evidence-Based Practice, Johns Hopkins University School of Medicine, Baltimore, Maryland (E.B.B.)
6. Division of General Internal Medicine, Johns Hopkins University School of Medicine, and Department of Population, Family and Reproductive Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland (W.L.B.).