Harbuwono, D.S., Faculty of Medicine, Universitas Indonesia, Central Jakarta, Indonesia, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Mokoagow, M.I., Faculty of Medicine, Universitas Indonesia, Central Jakarta, Indonesia, Fatmawati General Hospital, Jakarta, Indonesia; Magfira, N., Faculty of Public Health, Universitas Indonesia, Jakarta, Indonesia; Helda, H., Faculty of Public Health, Universitas Indonesia, Jakarta, Indonesia