Reksodiputro, M.H., Department of Otorhinolaryngology-Head and Neck Surgery, Faculty of Medicine, Universitas Indonesia, dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Harahap, A.R., Department of Clinical Pathology, Faculty of Medicine, Universitas Indonesia, dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia, Eijkman Institute for Molecular Biology, Jakarta, Indonesia; Siregar, N.C., Department of Pathology Anatomy, Faculty of Medicine, Universitas Indonesia, dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Malik, S.G., Eijkman Institute for Molecular Biology, Jakarta, Indonesia; Bashirudin, J., Department of Otorhinolaryngology-Head and Neck Surgery, Faculty of Medicine, Universitas Indonesia, dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Boesoirie, M.T.S., Department of Otorhinolaryngology-Head and Neck Surgery, Faculty of Medicine, University of Padjajaran, Hasan Sadikin Hospital, Bandung, Indonesia; Widodo, D.W., Department of Otorhinolaryngology-Head and Neck Surgery, Faculty of Medicine, Universitas Indonesia, dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Iljanto, S., Faculty of Public Health, Centre for Health Administration, Management and Policy, Universitas Indonesia, Jakarta, Indonesia; Sajuthi, D., Department of Clinics, Reproduction, and Pathology, Faculty of Veterinary Medicine, Institute Pertanian Bogor, Bogor, Indonesia; Sukrisman, L., Department of Internal Medicine, Faculty of Medicine, Universitas Indonesia, dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia; Yosia, M., Department of Otorhinolaryngology-Head and Neck Surgery, Faculty of Medicine, Universitas Indonesia, dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia