1. University of Leicester; Leicester UK
2. University Hospital ‘Sestre Milosrdnice’; Zagreb Croatia
3. Department of Internal Medicine I with Diabetology, Endocrinology and Nephrology; Rudolfstiftung Hospital; Karl Landsteiner Institute for Obesity and Metabolic Diseases; Vienna Austria
4. Karolinska Institutet; Stockholm Sweden
5. Novo Nordisk A/S; Søborg Denmark
6. Nordsjaellands Hospital Hillerød; Hillerød Denmark