1. Center of Excellence in HIV/AIDS Research; Research Institute for Health Sciences; Chiang Mai University; Chiang Mai
2. Department of Community Medicine; Faculty of Medicine; Chiang Mai University; Chiang Mai
3. Chiang Mai Provincial Health Office; Chiang Mai
4. Center of Excellence in Non-Communicable Disease; Research Institute for Health Sciences; Chiang Mai University; Chiang Mai
5. Department of Surgery; Faculty of Medicine; Chiang Mai University; Chiang Mai Thailand