1. Division of Preventive Dentistry, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, WHO Collaborating Centre for Translation of Oral Health Science Niigata University Niigata Japan
2. Faculty of Dentistry Thammasat University Pathum Thani Thailand
3. Department of Dental Hygiene and Welfare Meirin Junior College Niigata Japan
4. Institute of Dentistry, Suranaree University of Technology Nakhon Ratchasima Thailand
5. Oral Health Division, Department of Medical Services Ministry of Health Nay Pyi Taw Myanmar