1. Academic Unit of Diabetes; Endocrinology and Metabolism; University of Sheffield; Sheffield UK
2. Division of Endocrinology and Metabolism; Department of Medicine; University of Alberta; Edmonton Alberta Canada
3. University of Texas Southwestern Medical Center; Dallas TX USA
4. Center for Diabetes and Metabolism; m&i-Fachklinik Bad Heilbrunn; Bad Heilbrunn Germany
5. Novo Nordisk A/S; Søborg Denmark
6. Division of Endocrinology and Diabetology; Medical University of Graz; Graz Austria