1. Diabetes-Zentrum für Kinder and Jugendliche, Kinder- und Jugendkrankenhaus “AUF DER BULT,” Hannover, Germany.
2. Science Consulting in Diabetes GmbH, Düsseldorf, Germany.
3. Department of Internal Medicine, Division of Endocrinology and Diabetology, Medical University of Graz, Graz, Austria.