Heltty, H., Faculty of Nursing, Medical Surgical, University of Indonesia, Jawa Barat, Depok, 16424, Indonesia; Sitorus, R., Faculty of Nursing, Medical Surgical, University of Indonesia, Jawa Barat, Depok, 16424, Indonesia; Martha, E., Faculty of Public Health, University of Indonesia, Jawa Barat, Depok, 16424, Indonesia; Nusdwinuringtyas, N., Faculty of Medicine, University of Indonesia, Jawa Barat, Depok, 16424, Indonesia