Mayo Clinic, Rochester, Minnesota, United States
Mayo Clinic, Department of Neurology, Rochester, Minnesota, United States
St. Louis University, Anheuser-Busch Eye Institute, St. Louis, Missouri, United States
SUNY Health Science Center, Department of Neurology, Syracuse, New York, United States
Carolinas Medical Center, Charlotte, North Carolina, United States
University of Houston, College of Optometry, Houston, Texas, United States
West Alabama Health Services, Inc., Eutaw, Alabama, United States
Southern California College of Optometry, Fullerton, California, United States