1. Institute for Clinical Diabetology, German Diabetes Center (DDZ) at
Heinrich Heine University; Leibniz Center for Diabetes Research,
Düsseldorf, Germany
2. Department of Internal Medicine, Israelite Hospital, Hamburg,
Germany
3. Department of Pediatric and Adolescent Medicine, University Hospital
Bochum, Ruhr University Bochum, Bochum, Germany
4. Neuro-Urology, Swiss Paraplegic Center Nottwil, Nottwil,
Switzerland