1. Pediatric Motor Disorders Research Program; Department of Neurology; University of Utah School of Medicine; Salt Lake City Utah
2. ARUP Institute for Clinical and Experimental Pathology®, ARUP Laboratories; Salt Lake City Utah
3. Department of Obstetrics and Gynecology; University of Utah School of Medicine; Salt Lake City Utah
4. Department of Pediatrics, Division of Medical Genetics; University of Utah School of Medicine; Salt Lake City Utah
5. Department of Pathology; University of Utah School of Medicine; Salt Lake City Utah
6. Private Practice of Pediatrics and Pediatric Neurology; Twin Falls Idaho
7. Department of Human Genetics; University of Utah School of Medicine; Salt Lake City Utah