1. Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
2. Department of Oral Diagnosis, Faculty of Dentistry, Khon Kaen University, Khon Kaen, Thailand
3. Department of Medical Science, Amnatcharoen Campus, Mahidol University, Amnatcharoen, Thailand
4. Department of Public Health, Amnatcharoen Campus, Mahidol University, Amnatcharoen, Thailand
5. School of Dentistry, King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand
6. Research and Diagnostic Center for Emerging Infectious Diseases (RCEID), Khon Kaen University, Khon Kaen, Thailand