1. Department of Health Education and Behavioral Sciences Faculty of Public Health, Mahidol University, Bangkok, Thailand
2. Department of Public Health, Sefako Makgatho Health Sciences University, Pretoria, South Africa
3. Department of Healthcare Administration, College of Medical and Health Science, Asia University, Taichung, Taiwan
4. Department of Psychology, University of the Free State, Bloemfontein, South Africa
5. Department of Psychology, College of Medical and Health Science, Asia University, Taichung, Taiwan