1. Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan.
2. Department of Nursing, Hsin Sheng Junior College of Medical Care and Management, Taoyuan, Taiwan.
3. School of Nursing, Taipei Medical University, Taipei, Taiwan.
4. Department of Social Welfare and Social Work, Hsuan Chuang University, Hsinchu, Taiwan.
5. School of Nursing, National Defense Medical Center, Taipei, Taiwan.
6. Department of Mathematics, Tamkang University, New Taipei, Taiwan.