1. Department of Microbiology, Faculty of Science, Mahidol University, Rama 6 Rd., Ratchatewi, Bangkok 10400, Thailand
2. Community Medical Unit, Pang Nga Hospital, Pang Nga, Thailand
3. Institute for Glycomics, Griffith University, Southport, Gold Coast, QLD, Australia
4. Center for Emerging and Neglected Infectious Diseases, Mahidol University, Salaya Campus, Nakornpathom, Thailand
5. Institute of Molecular Biosciences, Mahidol University, Salaya Campus, Nakornpathom, Thailand