1. Department of Microbiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
2. Youjiang Medical University for Nationalities, Baise, Guangxi, China
3. Center of Excellence in Emerging and Re-emerging Diarrheal Viruses, Chiang Mai University, Chiang Mai, Thailand
4. Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
5. Division of Microbiology, Department of Pathology and Microbiology, Nihon University School of Medicine, Tokyo, Japan