1. Department of Neurology, Center for Human Genetic Research, and Vanderbilt Brain Institute; Vanderbilt University Medical Center; Nashville TN
2. Department of Physical Medicine and Rehabilitation; Vanderbilt University Medical Center; Nashville TN
3. Department of Pathology; Vanderbilt University Medical Center; Nashville TN
4. Department of Pediatrics; Vanderbilt University Medical Center; Nashville TN
5. Department of Neurology; Stanford University; Palo Alto CA
6. Department of Neurology; University of Iowa; Iowa City IA
7. Department of Neurology; Cleveland Clinic Foundation; Cleveland OH
8. Department of Laboratory Medicine; Second Affiliated Hospital of Qingdao University; Qingdao China
9. Tennessee Valley Healthcare System-Nashville VA; Nashville TN