Kridsada Sirisabhabhorn1 Anurak Choeymang2 Supaporn Pumpa1 Krim Kamyod1 and Palakorn Puttaruk1 1Department of Medical Technology Laboratory, Thammasat University hospital, Pathumthani, Thailand 2Pharmacology and Toxicology Unit, Faculty of Allied Health Sciences, Thammasat University, Pathumthani, Thailand