Sonia, Steffi , Faculty of Medicine Universitas Indonesia Dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia Sonia, Steffi, Faculty of Medicine University of Indonesia, Dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia Stefani, Shiela, Universitas Indonesia Subagio, Hertanto Wahyu, Medical Faculty Diponegoro University, Semarang dr. Kariadi Central Hospital, Semarang Suciati, Tri, Faculty of Medicine, Sriwijaya University Sudarma, Verawati, 1. Faculty of Medicine, Universitas Trisakti Sudarma, Verawati, Fakultas Kedokteran Universitas Trisakti Sudarma, Verawati, Trisakti University Sudarmanto, Bambang, Faculty of Medicine, Universitas Diponegoro, Dr. Kariadi General Hospital Sudarsono, Nani Cahyani, Faculty of Medicine Universitas Indonesia – dr. Cipto Mangunkusumo General Hospital. Jakarta, Indonesia