1. Division of Clinical Microbiology; Department of Medical Technology; Faculty of Associated Medical Sciences; Chiang Mai University; Chiang Mai Thailand
2. School of Medicine; Mae Fah Luang University; Chiang Rai Thailand
3. Office of Disease Prevention and Control Region 1; Chiang Mai Thailand
4. Department of Clinical Pathology; Lampang Hospital; Lampang Thailand
5. Diagnostic Laboratory; Maharaj Nakorn Chiang Mai Hospital; Faculty of Medicine; Chiang Mai University; Chiang Mai Thailand
6. Division of Clinical Immunology; Department of Medical Technology; Faculty of Associated Medical Sciences; Chiang Mai University; Chiang Mai Thailand
7. Biomedical Technology Research Center; National Center for Genetic Engineering and Biotechnology; National Science and Technology Development Agency at Faculty of Associated Medical Sciences; Chiang Mai University; Chiang Mai Thailand