Tamin S., Department of Otorhinolaryngology-Head and Neck Surgery, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Shabrina F., Department of Otorhinolaryngology-Head and Neck Surgery, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Hutauruk S.M., Department of Otorhinolaryngology-Head and Neck Surgery, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Rachmawati E.Z.K., Department of Otorhinolaryngology-Head and Neck Surgery, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Fardizza F., Department of Otorhinolaryngology-Head and Neck Surgery, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Koento T., Department of Otorhinolaryngology-Head and Neck Surgery, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Prihartono J., Department of Community Medicine, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia