1. Department of Microbiology, Research Institute for Tropical Medicine, Muntinlupa City, Philippines
2. Department of Pediatrics, Mary Chiles General Hospital, Manila, Philippines
3. Division of Pediatric Infectious Diseases, Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
4. Clinical Research Division, Research Institute for Tropical Medicine, Muntinlupa City, Philippines
5. Department of Pediatrics, University of the Philippines Manila, Manila, Philippines
6. Department of Pediatrics, College of Medicine, University of the East-Ramon Magsaysay Memorial Medical Center, Quezon City, Philippines
7. Department of Pediatrics, Faculty of Medicine, Thammasat University, Pathumthani, Thailand
8. Department of Pediatrics, Srinagarind Hospital, Khon Kaen University, Khon Kaen, Thailand
9. Department of Pediatrics, Faculty of Medicine, Prince of Songkla University, Hat Yai, Thailand
10. Life Sciences, LG Chem, Ltd, Seoul, Republic of Korea
11. Department of Pediatrics, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand