1. Department of Health Promotion and Health Education, National Taiwan Normal University, Taipei 10610, Taiwan
2. Graduate Institute of Information and Computer Education, National Taiwan Normal University, Taipei 10610, Taiwan
3. The Graduate Institute of Mass Communication, National Taiwan Normal University, Taipei 10610, Taiwan
4. Department of Statistics, National Chengchi University, Taipei 11605, Taiwan
5. Post-Baccalaureate Program in Nursing, Taipei Medical University, Taipei 11031, Taiwan
6. Department of Public Health, Kaohsiung Medical University, Kaohsiung 80708, Taiwan