SUBANDRATE, A., Biomedical Program, Faculty of Medicine, University of Indonesia, Jalan Salemba Raya No. 6, Jakarta, 10430, Indonesia; GUNARTI, D.R., Department Biochemistry and Molecular Biology, Faculty of Medicine, University of Indonesia, Jalan Salemba Raya No. 6, Jakarta, 10430, Indonesia; SADIKIN, M., Department Biochemistry and Molecular Biology, Faculty of Medicine, University of Indonesia, Jalan Salemba Raya No. 6, Jakarta, 10430, Indonesia