1. Department of Microbiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
2. Center of Excellence in Emerging and Re-emerging Diarrheal Viruses, Chiang Mai University, Chiang Mai, Thailand
3. Division of Microbiology, Department of Pathology and Microbiology, Nihon University School of Medicine, Tokyo, Japan
4. Department of Food Animal Clinic, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, Thailand
5. Department of Virology, Research Institute for Microbial Diseases, Osaka University, Osaka, Japan