Zizlavsky, S., Department of Otorhinolaryngology-Head & Neck Surgery, Cipto Mangunkusumo Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Anam, K., Department of Otorhinolaryngology-Head & Neck Surgery, Cipto Mangunkusumo Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Suwento, R., Department of Otorhinolaryngology-Head & Neck Surgery, Cipto Mangunkusumo Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Rahmawati, I., Department of Otorhinolaryngology-Head & Neck Surgery, Cipto Mangunkusumo Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia