Intellectual Disability

• Kingkaew Pajareya — Bangkok, Thailand

• Center for Rett syndrome, Department of Paediatrics and Adolescents Medicine — Copenhagen, København Ø, Denmark

• Child Development and Rehabilitation Center — Portland, Oregon, United States

• Centre de référence du syndrome de Prader-Willi Hôpital des Enfants — Toulouse, France

• University of Pittsburgh and University of Pittsburgh Medical Center — Pittsburgh, Pennsylvania, United States
• Waisman Center at the University of Wisconsin - Madison — Madison, Wisconsin, United States

• The Johns Hopkins Institute for Clinical and Translational Research — Baltimore, Maryland, United States

• Montefiore Medical center — The Bronx, New York, United States

• Centre de Recherche du CHUS — Sherbrooke, Quebec, Canada

• Children's Hospital Oakland — Oakland, California, United States
• Children's Hospital of Orange County — Orange, California, United States
• Emory University — Decatur, Georgia, United States
• ZKJM MC University of Mainz — Mainz, Germany

Not specified