1. Graduate Institute of Medicine; College of Medicine; Kaohsiung Medical University; Kaohsiung Taiwan
2. Department of Neurology; Kaohsiung Medical University Hospital; Kaohsiung Taiwan
3. Department of Nursing; Hsin-Sheng College of Medical Care and Management; Taoyuan Taiwan
4. Department of Medical Research; Kaohsiung Medical University Hospital; Kaohsiung Taiwan