1. School of Nursing, College of Medicine; National Taiwan University; Taipei Taiwan
2. Department of Nursing; Yuanpei University; Hsinchu City Taiwan
3. Institute of Hospital and Health Care Administration, Community Medicine Research Center; National Yang-Ming University; Taipei Taiwan
4. Department of Internal Medicine; National Taiwan University Hospital; Taipei Taiwan
5. Department of Nursing; Taichung Veterans General Hospital; Taichung Taiwan
6. Department of Nursing; National Taiwan University Hospital; Taipei Taiwan