1. Clinic for Special Children, Strasburg, PA, USA
2. Department of Pediatrics, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA, USA
3. Diagnostic Referral Division, Nemours/Alfred I. duPont Hospital for Children, Wilmington, DE, USA
4. Department of Physiology, Wayne State University School of Medicine, Detroit, MI, USA
5. Department of Pathology and Laboratory Medicine and Neuroscience Research Center, The Medical College of Wisconsin, Milwaukee, WI, USA
6. Audentes Therapeutics, San Francisco, CA, USA