1. Centre for Endocrinology, Diabetes and Metabolism, School of Clinical and Experimental Medicine (J.I., N.R., C.H.L.S., N.K., W.A.), University of Birmingham, Birmingham B15 2TT, United Kingdom;
2. Developmental Endocrinology Research Group (S.O., M.D.), Clinical and Molecular Genetics, Institute of Child Health, University College London, London WC1E 6BT, United Kingdom;
3. Department of Biochemistry and Experimental Medicine (E.M.M.) The Children's Memorial Health Institute, 20 04-830 Warsaw, Poland;
4. Department of Clinical Genetics (F.C.) Children's Hospital at Westmead, 2145 Sydney, Australia;
5. Department of Endocrinology (M.N.K.), University Medical Centre Groningen, 9713 GZ Groningen, The Netherlands;
6. Institute of Experimental Pediatric Endocrinology (B.K.) Charité, Universitätsmedizin Berlin, 10117 Berlin, Germany;
7. Institute of Human Genetics (L.M.G.-N.), Charité, Universitätsmedizin Berlin, 10117 Berlin, Germany;
8. Department of Metabolic Diseases, Endocrinology, and Diabetology (M.S.-C.), The Children's Memorial Health Institute, 20 04-830 Warsaw, Poland;
9. Department of Pediatric Endocrinology (M.S.), Children's Hospital at Westmead, 2145 Sydney, Australia;
10. Department of Endocrinology (D.M.), University Hospital Saint Luc, 1200 Brussels, Belgium