Bayani, G.F.E., Biomedical Science Master Program Student-Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia; Marpaung, N.L.E., Biomedical Science Master Program Student-Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia; Simorangkir, D.A.S., Biomedical Science Master Program Student-Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia; Sianipar, I.R., Department of Medical Physiology, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia; Ibrahim, N., Department of Medical Physiology, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia; Kartinah, N.T., Department of Medical Physiology, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia; Mansur, I.G., Department of Biology, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia; Purba, J.S., Department of Neurology, Jakarta, Indonesia; Ilyas, E.I.I., Department of Medical Physiology, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia