1. Medical Genetics Branch, National Human Genome Research Institute; The National Institutes of Health; Bethesda Maryland
2. Division of Human Genetics; 22q and You Center, and Clinical Genetics Center, The Children's Hospital of Philadelphia and the Department of Pediatrics at the Perelman School of Medicine at the University of Pennsylvania; Philadelphia Pennsylvania
3. Sheikh Zayed Institute for Pediatric Surgical Innovation; Children's National Health System; Washington, D.C
4. Department of Paediatrics and Adolescent Medicine, LKS Faculty of Medicine; The University of Hong Kong; Hong Kong Special Administrative Region Hong Kong China
5. Faculty of Medicine, Department of Paediatrics; University of Malaya; Kuala Lumpur Malaysia
6. Faculty of Medicine, Human Genetics Unit; University of Colombo; Sri Lanka
7. Center of Excellence for Medical Genetics; Faculty of Medicine, Department of Pediatrics, Chulalongkorn University; Bangkok Thailand
8. Department of Paediatrics College of Medicine; University of Lagos, Lagos University Teaching; Lagos Nigeria
9. Division of Genetics and Metabolism; Children's National Health System; Washington, D.C
10. Mazumdar Shaw Medical Center; Narayana Health City; Bangalore India
11. Division of Medical Genetics, Department of Pediatrics; University of Mississippi Medical Center; Jackson Mississippi
12. Center of Human Genetics/School of Medicine and Pharmacy, College of Medicine and Health Sciences; University of Rwanda; Kigali Rwanda
13. Servicio de Genética; Hospital de Pediatría Garrahan; Buenos Aires Argentina
14. Hospital for the Rehabilitation of Craniofacial Anomalies; São Paulo University; Bauru Brazil
15. Department of Medical Genetics; University of Campinas; São Paulo Brazil
16. Center for Research on Genomics and Global Health, National Human Genome Research Institute; The National Institutes of Health; Bethesda Maryland