1. Department of Microbiology and Parasitology, Faculty of Medical Science, Naresuan University, Phitsanulok, Thailand
2. Department of Mathematics, Faculty of Science, Naresuan University, Phitsanulok, Thailand
3. Buddhachinaraj Hospital, Phitsanulok, Thailand
4. Department of Medicine, Faculty of Medicine, Naresuan University, Phitsanulok, Thailand
5. Department of Medical Microbiology and Infectious Disease, Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, United Kingdom
6. Center of Excellence in Medical Biotechnology, Faculty of Medical Science, Naresuan University, Phitsanulok, Thailand