1. From the Department of Physical Therapy and Rehabilitation Sciences, University of Kansas Medical Center, Kansas City, KS (P.M.K.); Department of Rehabilitation Sciences, College of Allied Health Sciences, and Division of Biostatistics and Epidemiology, College of Medicine, University of Cincinnati, Cincinnati, OH (K.D.); Department of Rehabilitation Medicine, NewYork-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY (M.W.O.); Department of Biostatistics, University of Florida,...