Sen, L.T., Faculty of Medicine, Universitas Indonesia, Jakarta, 10430, Indonesia; Hutauruk, P.M.S., Faculty of Medicine, Universitas Indonesia, Jakarta, 10430, Indonesia; Putra, M.R.A., Faculty of Medicine, Universitas Indonesia, Jakarta, 10430, Indonesia; Maulida, S.B., Faculty of Medicine, Universitas Indonesia, Jakarta, 10430, Indonesia; Ramadhan, A., Faculty of Medicine, Universitas Indonesia, Jakarta, 10430, Indonesia; Sugiharto, A., Department of Community Medicine, Faculty of Medicine, Universitas Indonesia, Jakarta, 10430, Indonesia