1. Department of Pediatric Endocrinology, Diabetology, and Metabolism (V.P., A.V.P., D.L., A.E., C.E.F., P.E.M.), University Children’s Hospital, Inselspital, CH-3010 Bern, Switzerland
2. Department of Medical Sciences and Interdisciplinary Research Center of Autoimmune Diseases (M.G.), University of Eastern Piedmont, 28100 Novara, Italy
3. Department of Medicine (C.R.B.), King’s College School of Medicine and Dentistry, London SE5 9RS, United Kingdom
4. Developmental Endocrinology Research Group (M.T.D.), Clinical and Molecular Genetics Unit, University College of London Institute of Child Health, London WC1N 1EH, United Kingdom