1 Bureau of Dental Health, Department of Health, Ministry of Public Health, Nonthaburi, Thailand voramon.a@anamai.mail.go.th.
2 Royal Thai Army Medical Department, Ministry of Defence, Bangkok, Thailand.
3 Division of Preventive Dentistry, Graduate School of Medical and Dental Sciences & Faculty of Dentistry, WHO Collaborating Centre for Translation of Oral Health Science, Niigata University, Niigata, Japan.
4 Department of Community Dentistry, WHO Collaborating Centre for Oral Health Education and Research, Faculty of Dentistry, Mahidol University, Bangkok, Thailand.
5 International Health Policy Programme, Ministry of Public Health, Nonthaburi, Thailand.
6 College of Public Health, National Taiwan University, Taipei, Taiwan.
7 Health Administration Division, Office of the Permanent Secretary, Ministry of Public Health, Nonthaburi, Thailand.
8 Bureau of Dental Health, Department of Health, Ministry of Public Health, Nonthaburi, Thailand.