1. Department of Pediatrics and Center for Research of Diabetes, Metabolism, and Nutrition (I.H., M.F.), Third Faculty of Medicine, Charles University, 100 34 Prague 10, Czech Republic
2. Danish Epidemiology Science Center (L.H.L.), Institute of Preventive Medicine, Copenhagen University Hospital, DK-1357 Copenhagen, Denmark
3. Steno Diabetes Center and Hagedorn Research Institute (L.H.L., T.H., O.P.), Gentofte, DK-2820 Copenhagen, Denmark
4. Department of Pharmacology (B.H.), University of Copenhagen, DK-2200 Copenhagen, Denmark
5. Obesity Management Center (V.H.), Institute of Endocrinology, 116 94 Prague, Czech Republic
6. Department of Pediatrics (J.L.), Second Faculty of Medicine, Charles University, 15006 Prague 5, Czech Republic
7. Faculty of Health (O.P.), University of Aarhus, DK-8000 C Aarhus, Denmark