Carl P C Chen1, Henry L Lew, Simon F T Tang. 1. From the Department of Physical Medicine & Rehabilitation, Chang Gung Memorial Hospital, Linkou and Chang Gung University College of Medicine, Tao-Yuan County, Taiwan (CPCC, SFTT); Defense and Veterans Brain Injury Center, Richmond, Virginia (HLL); Department of Physical Medicine and Rehabilitation, Virginia Commonwealth University, Richmond, Virginia (HLL); and John A. Burns School of Medicine, University of Hawaii at Manoa, Honolulu, Hawaii (HLL).