Authors
Elan D. Louis
Department of Neurology, Yale School of Medicine, Yale University, New Haven, CT; Department of Chronic Disease Epidemiology, Yale School of Public Health, Yale University, New Haven, CT
Ashwini K. Rao
Program in Physical Therapy, Department of Rehabilitation & Regenerative Medicine, College of Physicians and Surgeons, Columbia University, New York, NY; GH Sergievsky Center, College of Physicians and Surgeons, Columbia University, New York, NY