1. Institute of Community Health Care, College of Nursing, National Yang Ming Chiao Tung University, Taipei, Taiwan
2. Department of Nursing, College of Medicine, National Cheng Kung University, Tainan, Taiwan
3. Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, & Division of Cardiology, Internal Medicine, National Cheng Kung University Hospital, Tainan, Taiwan