1. Endocrinology Unit (C.B., V.L., A.G.F.W., N.M.M., J.R.S., K.E.C.), Centre for Cardiovascular Sciences, Queen’s Institute for Medical Research, University of Edinburgh, Edinburgh EH16 4TJ, Scotland, United Kingdom
2. Huffington Center on Aging (M.D.W., G.D.D.), N805, Baylor College of Medicine, Houston, Texas 77030