1. Department of Genome Informatics, Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
2. Thailand-Japan Research Collaboration Centre on Emerging and Re-emerging Infections, National Institute of Health, Department of Medical Sciences, Ministry of Public Health, Nonthaburi, Thailand
3. World Health Organization National Influenza Centre, National Institute of Health, Department of Medical Sciences, Ministry of Public Health, Nonthaburi, Thailand