Santoso, D.I.S., Department of Physiology, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Lontoh, S.O., Department of Physiology, Faculty of Medicine, Universitas Tarumanagara, Jakarta, Indonesia, Biomedical Sciences, Faculty of Medicine, Universitas Indonesia, Indonesia; Wuyung, P.E., Department of Pathology Anatomy, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Endardjo, S., Department of Pathology Anatomy, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia