Authors
Arisara Leksansern
Mahidol University, Nakhon Pathom, Thailand
Panchit Longpradit
Mahidol University, Nakhon Pathom, Thailand
Sovaritthon Chansaengsee
Mahidol University, Nakhon Pathom, Thailand
Prasert Leksansern
Ministry of Public Health, Nonthaburi, Thailand