1. Department of Medical Technology, Faculty of Allied Health Sciences, Thammasat University, Pathumthani, Thailand
2. Graduate Program in Biomedical Science, Faculty of Allied Health Sciences, Thammasat University, Pathumthani, Thailand
3. Department of Microbiology, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
4. Division of Infectious Diseases and Tropical Medicine, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand