1. 3rd Department of Internal Medicine, 1st Faculty of Medicine, Charles University, Prague, Czech Republic
2. Masaryk Hospital, Ústí nad Labem, Czech Republic
3. Department of Paediatrics, 2nd Faculty of Medicine, Charles University, Prague, Czech Republic
4. CGParkin Communications, Inc., Henderson, NV
5. Grunberger Diabetes Institute, Bloomfield Hills, MI