1. Department of Genetic Medicine; King Abdulaziz University Hospital; Jeddah Saudi Arabia
2. Princess Al Jawhara Albrahim Center of Excellence in Research of Hereditary Disorders; King Abdulaziz University; Jeddah Saudi Arabia
3. Department of Pediatric Cardiology; Prince Sultan Cardiac Center; Riyadh Saudi Arabia
4. Department of Cardiology, Academic Medical Center; University of Amsterdam; Amsterdam the Netherlands
5. Laboratoire de Génétique Moléculaire, Service de Génétique Médicale; CHUV; Lausanne Switzerland