Handoko, Department of Radiation Oncology, Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia, Doctoral Program in Biomedical Sciences, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Adham M., Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia, Department of Otorhinolaryngology-Head and Neck Surgery Department, Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia; Rachmadi L., Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia, Department of Anatomical Pathology, Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia; Wibowo H., Integrated Laboratory, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Gondhowiardjo S.A., Department of Radiation Oncology, Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia