Pornprasert, Sakorn
Wanachantararak, Phenphichar
Kantawong, Fahsai
Chamnanprai, Supoj
Kongpan, Chatpat
Pienthai, Nattasit
Yanola, Jintana
Duangmano, Suwit
Prasannarong, Mujalin
Funding for this research was provided by:
Chiang Mai University and the Intercountry Centre for Oral Health