1. From the Division of Pediatric Endocrinology and Diabetes (M.W., J.-B.F., B.L., P.F.-P.), Department of Pediatrics and Adolescent Medicine (G.L., K.-M.D.), and the Institute of Pharmacology and Toxicology (P.V., P.G., B.M.), University of Ulm, Ulm; and Endokrinologische Schwerpunktpraxis für Kinder- und Jugendliche, Gauting (U.K.-K.) — both in Germany.