Institution: | 1.Department of Tropical Pediatrics, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand; (P.S.); (P.S.); (S.S.); (W.A.); (C.S.); (K.L.);2.Department of Microbiology and Immunology, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand; |