1. Division of Endocrinology, Diabetes and Metabolism; Ohio State University; Columbus OH USA
2. Department of Internal Medicine; Wehrle-Diakonissen Hospital; Salzburg Austria
3. 1st Department of Medicine; Salzburg University Hospital, Paracelsus Medical University; Salzburg Austria
4. Centro de Investigaciones Metabólicas (CINME); Buenos Aires Argentina
5. Department of Medicine; SC Consultmed SRL; Iasi Romania
6. Lilly Research Laboratories; Eli Lilly and Company; Indianapolis IN USA