1. Service of Medical Genetics, CHUV, Lausanne, Switzerland
2. PerkinElmer-Biosignal Inc., Montreal, Canada
3. Department of Internal Medicine, CHUV, Lausanne, Switzerland
4. Service of Medical Genetics, Department of Medical Genetics, CHUV, Lausanne, Switzerland
5. Service of Medical Genetics, Department of Internal Medicine, CHUV, Lausanne, Switzerland, Institut de Recherche en Ophtalmologie, Sion, Switzerland.