1. Section of Endocrinology, Diabetes, and Nutrition (E.N.P., X.H., A.M.L., L.E.B.), Boston University School of Medicine, Boston, Massachusetts 02118
2. Centre for Endocrine and Diabetes Sciences (J.H.L., A.B.P.), University Hospital of Wales, Cardiff CF14 4XW, Wales, United Kingdom
3. UCD Conway Institute (P.P.A.S., R.B., D.F.S.), University College Dublin, Dublin 4, Ireland
4. Ospedale Sant’Anna (D.D., A.M.), 10100 Turin, Italy
5. Wolfson Institute of Preventive Medicine (J.P.B., M.J.), Barts and the London School of Medicine and Dentistry, London B15 2TT, England, United Kingdom