College of Medicine and Public Health;
Ubon Rajathanee University;
Ubon Ratchathani 34190;
ThailandSoraya J Kaewpitoon;
Primary Care Unit;
Ubon Rajathanee University;
Ubon Ratchathani 34190;
Thailand;
Primary Care Unit;
Ubon RajathaneeUniversity;
Ubon Ratchathani 34190;
Thailand;