1. Diabetes Centre Bad Mergentheim, Bad Mergentheim, Germany
2. Diabetological Practice, Esslingen, Germany
3. Department of Internal Medicine IV, University Hospital
Tübingen, Tübingen, Germany
4. Diabetes Centre am Marienplatz Munich, Munich, Germany
5. Isar Hospital, Munich, Germany
6. Birkenfeld, Germany
7. Department of Internal Medicine I - General Internal Medicine,
Endocrinology and Diabetology, Gastroenterology and Hepatology, Bergmannsheil
University Hospitals, Bochum, Germany
8. prima-diab Practice Drs.
Uebel/Nittka/Mayer/Merkle, Ittlingen,
Germany
9. Eschweiler, Germany