1. Jena University Hospital, Department for Internal Medicine III, Jena,
Germany
2. Jena University Hospital, Center for Clinical Studies, Jena,
Germany
3. Jena University Hospital, Center for Ophthalmology, Jena,
Germany
4. Practice for Endocrinology and Diabetology, Dr. Kielstein Ambulante
Medizinische Betreuung GmbH, Jena, Germany