Gunardi, W.D., Department of Microbiology, Faculty of Medicine, Krida Wacana Christian University (UKRIDA), Jakarta, Indonesia; Timotius, K.H., Department of Microbiology, Faculty of Medicine, Krida Wacana Christian University (UKRIDA), Jakarta, Indonesia; Natasha, A., Program in Biomedical Science, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Evriarti, P.R., Program in Biomedical Science, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia, Department of Microbiolgy, Health Labortory of Makassar (BBLK Makassar), Makassar, Indonesia