1. Section of General Internal Medicine, Department of Medicine, University of Chicago, Chicago, Illinois (J.G.C., M.I.F., E.M.S., J.A., M.Z.)
2. Medical College of Wisconsin, Milwaukee, Wisconsin (A.N.W.)
3. Centre for Health Economics & Policy Innovation, Imperial College Business School, Imperial College London, London, United Kingdom (M.R.S.)
4. Section of General Internal Medicine and Center for Chronic Disease Research and Policy, Department of Medicine, University of Chicago, Chicago, Illinois (W.W., E.S.H., N.L.)
5. Sections of Adult and Pediatric Endocrinology, Diabetes & Metabolism, Department of Medicine, University of Chicago, Chicago, Illinois (L.P.).