1. School of Nursing, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan
2. Post-Baccalaureate Program in Nursing, College of Nursing, Taipei Medical University, Taipei, Taiwan
3. Department of Nursing, Taipei Veterans General Hospital, Taipei, Taiwan
4. School of Nursing, College of Nursing, National Yang Ming Chiao Tung University, Taipei, Taiwan
5. Personnel Department, Thai Nguyen Medical College, Thai Nguyen, Viet Nam
6. Department of Nursing, Faculty of Health Sciences, Universitas Alma Ata, Yogyakarta, Indonesia