1. Knowledge and Encounter Research Unit (B.A.S., M.H.M., V.M.M.), Divisions of Endocrinology, Preventive Medicine, and Internal Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota 55905
2. Clinical Advances Through Research And Information Translation Research Group (H.J.S., G.H.G.), Department of Clinical Epidemiology and Biostatistics, Faculty of Health Sciences, McMaster University, Hamilton, Ontario L8S4L8, Canada
3. Department of Epidemiology (H.J.S.), Italian National Cancer Institute “Regina Elena,” 00161 Rome, Italy
4. Basel Institute for Clinical Epidemiology (R.K.), University Hospital Basel, CH-4031 Basel, Switzerland
5. Department of Diabetes Institute (R.A.V.), Walter Reed Health Care System, Washington, D.C. 20307