1. Department of Tropical Pediatrics, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
2. Nopparat Rajathanee Hospital, Ministry of Public Health, Bangkok, Thailand
3. Japanese Encephalitis/Dengue Virology Laboratory, Center for Vaccine Development, Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand
4. Liaoning Cheng Da Biotechnology Co., Ltd., Shenyang, China