1. Department of Neurology, Division of Neuromuscular Medicine University of Michigan School of Medicine Ann Arbor Michigan USA
2. Department of Neurology, Division of Neuromuscular Medicine Duke University Medical Center Durham North Carolina USA
3. HSHS St. Elizabeth Medical Group O'Fallon Illinois USA
4. Division of Neuromuscular Medicine, Department of Neurology Massachusetts General Hospital, Harvard Medical School Boston Massachusetts USA
5. Department of Neurology, Division of Neuromuscular Medicine Virginia Commonwealth University Richmond Virginia USA
6. Department of Neurological Sciences Larner College of Medicine at the University of Vermont Burlington Vermont USA
7. Department of Neurology, Division of Neuromuscular Medicine UConn Health Farmington Connecticut USA
8. Department of Neurology, Division of Neuromuscular Medicine Mayo Clinic Rochester Minnesota USA
9. Department of Neurology, Division of Neuromuscular Medicine Hospital of the University of Pennsylvania, Perelman School of Medicine Philadelphia Pennsylvania USA
10. Department of Neurology & Neurological Sciences, Division of Neuromuscular Medicine Stanford University School of Medicine Stanford California USA
11. Staff, American Association of Neuromuscular and Electrodiagnostic Medicine Rochester Minnesota USA