Affiliation: | (1) Department of Internal Medicine I, Division of Endocrinology, Diabetes and Metabolism, University Hospital Frankfurt, Frankfurt am Main, Germany;(2) Department of Internal Medicine I, Division of Endocrinology and Diabetes, University Hospital Wuerzburg, Wuerzburg, Germany;(3) Department of Endocrinology, Diabetes and Rheumatology, University Hospital Duesseldorf, Duesseldorf, Germany;(4) Department of Internal Medicine, Division of Endocrinology and Diabetes, University Hospital Munich, Munich, Germany;(5) Department of Transplantation Immunology, Institute of Transfusion Medicine and Immunohaematology, Red Cross Blood Donor Service, Frankfurt am Main, Germany;(6) Department of Pediatrics Endocrinology Unit, University "La Sapienza," Rome, Italy |