1 From the Department of Physical Therapy, College of Applied Health Sciences, University of Illinois at Chicago (R.A., C.O., D.L.-P.); Division of Cardiology, VA Palo Alto Healthcare System, CA (J.M.); and Stanford University, CA (J.M.). raarena@uic.edu.
2 From the Department of Physical Therapy, College of Applied Health Sciences, University of Illinois at Chicago (R.A., C.O., D.L.-P.); Division of Cardiology, VA Palo Alto Healthcare System, CA (J.M.); and Stanford University, CA (J.M.).