1. Endocrinology and Nutrition, Cliniques Universitaires St-Luc, Brussels, Belgium
2. Department of Internal Medicine, School of Medicine, University of Ioannina, Ioannina, Greece
3. Centre Hospitalier de Luxembourg, Luxembourg
4. UZ Gasthuisberg, Leuven, Belgium
5. OLV Ziekenhuis, Aalst, Belgium
6. AstraZeneca SA/NV, Brussels, Belgium
7. Sardenya Primary Health Care Center, EAP Sardenya-Biomedical Research Institute Sant Pau (IIB Sant Pau), Barcelona, Spain