1. Endocrine and Metabolic Consultants Rockville MD USA
2. Clinique d'Endocrinologie l'Institut du Thorax CHU Nantes Nantes France
3. Samuel Lunenfeld Research Institute Mount Sinai Hospital University of Toronto Toronto ON Canada
4. Metabolic Institute of America Tarzana CA USA
5. Scripps Whittier Diabetes Institute La Jolla CA USA
6. Novo Nordisk A/S Søborg Denmark
7. UZ Leuven University of Leuven Leuven Belgium