1. Department of Paediatrics, Second Faculty of Medicine (K.R., J.M., L.D., B.O., P.D., Z.S., J.L., S.P.), Charles University in Prague and University Hospital in Motol, Prague 150 06, Czech Republic
2. Genetics and Epigenetics in Health and Disease, Genetics and Genomic Medicine Programme (A.N., K.H.), Institute of Child Health, University College London, London WC1N 1EH, United Kingdom
3. KG Jebsen Center for Diabetes Research, Department of Clinical Science (L.B., I.A., L.A.N., P.R.N.), University of Bergen, Bergen N-5021, Norway
4. Department of Biomedicine (L.B.), University of Bergen, Bergen N-5021, Norway
5. Department of Paediatrics, First Faculty of Medicine (J.K.), Charles University in Prague and the General University Hospital in Prague, Prague 121 08, Czech Republic
6. Center for Medical Genetics and Molecular Medicine (I.A., L.A.N.), Haukeland University Hospital, Bergen N-5021, Norway
7. Center for Research of Diabetes, Metabolism and Nutrition and Second Department of Internal Medicine FNKV, Third Faculty of Medicine (B.R.)
8. Charles University in Prague, Prague 100 00, Czech Republic; Department of Pediatrics (P.R.N.), Haukeland University Hospital, Bergen, N-5020 Norway
9. Department of Paediatric Endocrinology (K.H.), Great Ormond Street Hospital for Children NHS Trust, London WC1N 3JH, United Kingdom