1. Center for Individualized Medicine; Mayo Clinic; Rochester Minnesota
2. Department of Health Sciences Research; Rochester Minnesota
3. Department of Laboratory Medicine and Pathology; Mayo Clinic; Rochester Minnesota
4. Department of Genetics; Institute of Ophthalmology “Conde de Valenciana”; Mexico City Mexico
5. Department of Pediatrics, Division of Neurology; The Children's Hospital of Philadelphia; Philadelphia Pennsylvania
6. Department of Neurology, Perelman School of Medicine; University of Pennsylvania; Philadelphia Pennsylvania
7. Department of Genetics, Hospital "Dr. Luis Sánchez Bulnes"; Asociación para Evitar la Ceguera en México; Mexico City Mexico
8. Genetics Department, University Hospital "Dr. José Eleuterio González" and Medical School; Universidad Autónoma de Nuevo León; Monterrey Mexico
9. Department of Anatomic Pathology; Mayo Clinic; Rochester Minnesota
10. Center for Applied Genomics, Children's Hospital of Philadelphia; Philadelphia Pennsylvania
11. Department of Clinical Genomics; Mayo Clinic; Rochester Minnesota
12. Department of Neurology; Mayo Clinic; Rochester Minnesota
13. Department of Biochemistry, Faculty of Medicine; National Autonomous University of Mexico; Mexico City Mexico