1. National Centre for Medical Genetics; Our Lady's Children's Hospital, Crumlin; Dublin Ireland
2. Bahrain Defence Forces Hospital; Department of Paediatric Cardiology; Riffa Kingdom of Bahrain
3. Bahrain Specialist Hospital; Juffair Kingdom of Bahrain
4. Department of Neurology; CHU Tivoli; La Louvière Belgium
5. Institute of Medical and Human Genetics; Charité-Universitaetsmedizin Berlin; Berlin Germany
6. Centre of Human Genetics; Université de Franche-Comté; Besançon France