1. Department of Nursing, Cheng Hsin General Hospital, Taipei City 112, Taiwan
2. Department of Medical Education Clinical Skills Center, Mackay Memorial Hospital, New Taipei City 251, Taiwan
3. Department of Nursing, MacKay Junior College of Medicine, Nursing and Management, New Taipei City 116, Taiwan
4. School of Nursing, National Taipei University of Nursing and Health Sciences, Taipei City 112, Taiwan