Exel Billy Wibowo Faculty of Medicine Universitas Padjadjaran Indonesia
Arif Dermawan Department of Otorhinolaryngology Head & Neck Surgery Faculty of Medicine Universitas Padjadjaran/Dr. Hasan Sadikin General Hospital, Bandung Indonesia
Melati Sudiro Department of Otorhinolaryngology Head & Neck Surgery Faculty of Medicine Universitas Padjadjaran/Dr. Hasan Sadikin General Hospital Bandung Indonesia