Affiliation: | 1. Pediatric Motor Disorders Research Program, Department of Neurology, University of Utah School of Medicine, Salt Lake City, Utah;2. Correspondence to:;3. Kathryn J. Swoboda, M.D., F.A.C.M.G., Pediatric Motor Disorders Research Program, Department of Neurology, University of Utah School of Medicine, 30 North, 1900 East, 3R149, Salt Lake City, UT 84132.;4. E‐mail:;5. ARUP Institute for Clinical and Experimental Pathology?, ARUP Laboratories, Salt Lake City, Utah;6. Department of Obstetrics and Gynecology, University of Utah School of Medicine, Salt Lake City, Utah;7. Department of Pediatrics, Division of Medical Genetics, University of Utah School of Medicine, Salt Lake City, Utah;8. Department of Pathology, University of Utah School of Medicine, Salt Lake City, Utah;9. Private Practice of Pediatrics and Pediatric Neurology, Twin Falls, Idaho;10. Department of Human Genetics, University of Utah School of Medicine, Salt Lake City, Utah |