Safri, A.Y., Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia, Departement of Neurology, Dr. Cipto Mangunkusumo General Hospital, Faculty of Medicine, Universitas Indonesia, Indonesia; Pawitan, J.A., Department of Histology, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia, Stem Cell Medical Technology Integrated Service Unit, Dr. Cipto Mangunkusumo General Hospital/Faculty of Medicine, Universitas Indonesia, Indonesia, Stem Cell and Tissue Engineering Research Center, Indonesia Medical Education and Research Institute (IMERI), Faculty of Medicine, Universitas Indonesia, Indonesia