1. Department of Health Promotion and Health Education, National Taiwan Normal University, Taipei, Taiwan.
2. Graduate Institute of Information and Computer Education, National Taiwan Normal University, Taipei, Taiwan.
3. Graduate Institute of Mass Communication, National Taiwan Normal University, Taipei, Taiwan.
4. Department of Nursing, Taipei Medical University, Taipei, Taiwan.
5. Department of Statistics, National Chengchi University, Taipei, Taiwan.
6. Department of Public Health, Kaohsiung Medical University, Kaohsiung, Taiwan.