1. School of Nursing, Chang Gung University of Science and Technology, Kwei-Shan, Tao-Yuan, Taiwan
2. Department of Health Promotion and Health Education, National Taiwan Normal University, Taipei, Taiwan
3. Department of Health Management, I-Shou University, Jiaosu Village, Yanchao District, Kaohsiung, Taiwan
4. School of Nursing, National Yang-Ming University, Taipei, Taiwan