1. ; Department of Pediatrics; University of Pennsylvania School of Medicine; Philadelphia Pennsylvania USA
2. ; Divisions of Endocrinology and Diabetes and Human Genetics and Molecular Biology and Department of Pathology; The Children's Hospital of Philadelphia; Philadelphia Pennsylvania USA
3. ; Department of Pediatrics; Gifu University School of Medicine; Gifu Japan
4. ; Service de Génétique Médicale; Hôpital Sainte-Justine; Montréal Canada
5. ; Department of Pediatrics; The University of Arkansas School of Medicine; Little Rock Arkansas USA