Chiang Mai University Hospital, Chiang Mai, Thailand
Pharmacoepidemiology and Statistics Research Center, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, Thailand
Kittipat Charoenkwan, Chiang Mai, Thailand
Kittipat Charoenkwan, Chiang Mai, Thailand
Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
Emergency Department, Faculty of Medicine, Chaing Mai University, Chiang Mai, Thailand
Maharaj Nakorn Chiang Mai Hospital, Department of Medicine, Chiang Mai University, Chiang Mai, Thailand
Chiang Mai University Hospital, Chiang Mai, Thailand