Affiliation: | 1. Division of Endocrinology and Metabolism, Georgetown University Medical CenterWashington, DCUSA;2. Oxford Centre for Diabetes, Endocrinology and Metabolism, Churchill Hospital, University of OxfordHeadington, OxfordUK;3. Department of Endocrinology, Metabolism and Diabetology, Karolinska University HospitalStockholmSweden;4. Department of Endocrinology and Nutrition, Hospital Clínico San CarlosMadridSpain |