Authors
Suppachok Wetchaphanphesat
Department of Medicine, Buriram Hospital, Buriram, Thailand
Anek Mungaomklang
Department of Occupational Health, Debaratana Nakhon Ratchasima Hospital, Nakhon Ratchasima, Thailand
Chutima Papsing
Department of Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
Teeratorn Pulkes
Department of Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand