1. Division of Clinical Microbiology/Faculty of Associated Medical Sciences, Khon Kaen University, Khon Kaen, Thailand
2. The Center for Research & Development of Medical Diagnostic Laboratories/Faculty of Associated Medical Sciences, Khon Kaen University, Khon Kaen, Thailand
3. Materials Science and Nanotechnology Program/Faculty of Science, Khon Kaen University, Khon Kaen, Thailand
4. Department of Microbiology/Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
5. Department of Chemistry/Faculty of Science, Ramkhamhaeng University, Bangkok, Thailand
6. Integrated Nanotechnology Research Center (INRC), Khon Kaen University, Khon Kaen, Thailand