1. Service of Endocrinology, Diabetology and Metabolism, Lausanne University Hospital, Lausanne, Switzerland.
2. Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland.
3. Division of Endocrinology, Department of Internal Medicine, School of Medicine, University of Patras, Patras, Greece.
4. Synlab Pathology, Lausanne, Switzerland.
5. Department of Medicine, University of Chicago, Chicago, Illinois, USA.
6. Department of Pediatrics, and University of Chicago, Chicago, Illinois, USA.
7. Department of Committee on Genetics, University of Chicago, Chicago, Illinois, USA.
8. Department of Life Sciences and Chemistry, Jacobs University Bremen, Bremen, Germany.