1. Department of Neurosurgery; Chang Gung Memorial Hospital at Linkou; Taoyuan Taiwan
2. School of Medicine; Chang-Gung University; Taoyuan Taiwan
3. Department of Rehabilitation; Sinwu branch; Taoyuan General Hospital; Ministry of Health and Welfare; Taoyuan Taiwan
4. Graduate Institute of Nursing; College of Nursing; Taipei Medical University; Taipei Taiwan