Dewi, B.E., Department of Microbiology, Faculty of Medicine, Universitas Indonesia?Cipto Mangunkusumo Hospital, Universitas Indonesia, Jl. Pegangsaan Timur No. 16, Jakarta, 10320, Indonesia; Tannardi, K., Undergraduate Program of Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Sudiro, T.M., Department of Microbiology, Faculty of Medicine, Universitas Indonesia?Cipto Mangunkusumo Hospital, Universitas Indonesia, Jl. Pegangsaan Timur No. 16, Jakarta, 10320, Indonesia, Cluster of Infectious Diseases and Immunology, Indonesian Medical Education and Research Institute (IMERI), Jl. Salemba Raya No. 6, Jakarta, 10430, Indonesia