[1] Section of Medical Genetics,
[2] Department of Medicine,undefined
[3] Duke University Medical Center,undefined
[4] Durham,undefined
[5] NC,undefined
[6] USA,undefined
[7] Division of Genetics and Metabolism,undefined
[8] Department of Pediatrics,undefined
[9] and the Neuroscience Center,undefined
[10] University of North Carolina at Chapel Hill,undefined
[11] Chapel Hill,undefined
[12] NC,undefined
[13] USA,undefined
[14] Neuromuscular Diseases Clinic,undefined
[15] Department of Neurology,undefined
[16] State University of New York at Buffalo and Dent Neurologic Institute,undefined
[17] Buffalo,undefined
[18] NY,undefined
[19] USA,undefined
[20] Neuromuscular Diseases Clinic,undefined
[21] Erie County Medical Center,undefined
[22] and Roswell Park Cancer Institute,undefined
[23] Buffalo,undefined
[24] NY,undefined
[25] USA,undefined
[26] Division of Neurology,undefined
[27] Department of Medicine,undefined
[28] Duke University Medical Center,undefined
[29] Durham,undefined
[30] NC,undefined
[31] USA,undefined
[32] Departments of Neurobiology and Pediatrics,undefined
[33] Department of Medicine,undefined
[34] Duke University Medical Center,undefined
[35] Durham,undefined
[36] NC,undefined
[37] USA,undefined
[38] Mission Genetics Center,undefined
[39] Asheville,undefined
[40] NC,undefined
[41] USA,undefined
[42] Regional Genetics Service,undefined
[43] St. Mary's Hospital,undefined
[44] Manchester,undefined
[45] UK,undefined
[46] South Manchester University Hospital of South Manchester,undefined
[47] Manchester,undefined
[48] UK,undefined