1. Department of Microbiology and Research and Diagnostic Center for Emerging Infectious Diseases, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
2. Department of Obstetrics and Gynecology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
3. Chulabhorn International College of Medicine, Thammasat University, Pathum Thani, Thailand
4. Division of Virology, Department of Pathology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
5. Medical Genome Center, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand