1. Department of Medicine Molecular Cardiology Research Institute Tufts Medical Center Boston MA USA
2. Division of Pediatric Neurology Department of Pediatrics University of Florida College of Medicine Gainesville FL USA
3. Department of Neurology Boston Children's Hospital MA USA
4. Department of Pathology and Laboratory Medicine Tufts Medical Center Boston MA USA
5. Department of Molecular Genetics and Microbiology University of Florida College of Medicine Gainesville FL USA
6. Department of Neurology University of Florida College of Medicine Gainesville FL USA
7. Genetics Institute and Myology Institute University of Florida Gainesville FL USA