1. Health Intervention and Technology Assessment Program (HITAP), Nonthaburi, Thailand.
2. Department of Community Dentistry, Faculty of Dentistry, Mahidol University, Bangkok, Thailand.
3. Department of Obstetrics and Gynecology, Rajavithi Hospital, College of Medicine, Rangsit University, Bangkok, Thailand.
4. Department of Mental Health, Suansaranrom Psychiatric Hospital, Ministry of Public Health, Suratthani, Thailand.
5. Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Canada.