1. Diabetic Cardiovascular Disease Center, Washington University School of Medicine, St. Louis, MO 63110, USA.
2. Department of Developmental Biology, Washington University School of Medicine, St. Louis, MO 63110, USA.
3. Department of Internal Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA.
4. Section on Molecular Dysmorphology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892, USA.
5. Department of Pediatrics, Washington University School of Medicine, St. Louis, MO 63110, USA.
6. New York State Department of Health, Wadsworth Center, Albany, NY 12201, USA.
7. Rush University Medical Center, Chicago, IL 60612, USA.
8. Genzyme, 500 Kendall Street, Cambridge, MA 02142, USA.
9. Klinik und Poliklinik für Kinder- und Jugendmedizin–Allgemeine Pädiatrie, Universitätsklinikum Münster, Albert-Schweitzer-Campus 1, Gebäude A1, 48149 Münster, Germany.
10. Institute of Human Genetics, University of Heidelberg, Im Neuenheimer Feld 366, 69120 Heidelberg, Germany.
11. Department of Genetics and Pharmacogenomics, Merck Research Laboratories, 33 Avenue Louis Pasteur, Boston, MA 02115, USA.
12. Serviço de Genética Médica, Hospital de Clínicas de Porto Alegre, Rua Ramiro Barcelos, 2350, Porto Alegre, Rio Grande do Sul 90035-003, Brazil.