1. School of Nursing; College of Nursing; Wan Fang Hospital; Taipei Medical University; Taipei Taiwan
2. Department of Neurosurgery; Chang-Gung Memorial Hospital; Taoyuan Taiwan
3. School of Medicine; Chang-Gung University; Taoyuan Taiwan
4. Department of Nursing; Wan Fang Hospital; Taipei Medical University; Taipei Taiwan
5. Sleep Science Center; Taipei Medical University Hospital; Taipei Medical University; Taipei Taiwan