1. Department of Dermatology, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
2. Department of Pathology, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
3. Rare Brain Disorders Program, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
4. Department of Neurology, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
5. Departments of Pathology and Internal Medicine, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
6. Department of Psychiatry, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
7. Department of Physiology, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
8. Department of Pediatrics, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
9. Eugene McDermott Center for Human Growth & Development/Center for Human Genetics, The University of Texas Southwestern Medical Center, Dallas, Texas, USA