1. Questionnaire Translation Committee of Korean Otologic Society, Korea.
2. Department of Otolaryngology-HNS, College of Medicine, Kyung Hee University, Seoul, Korea.
3. Department of Otorhinolaryngology-HNS, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
4. Department of Otolaryngology-HNS, The Catholic University of KoreaCollege of Medicine, Seoul, Korea.
5. Department of Otolaryngology-HNS, Gachon University of Medicine andScience Graduate School of Medicine, Incheon, Korea.
6. Department of Preventive Medicine, Korea University College of Medicine, Seoul, Korea.
7. Department of Otorhinolaryngology-HNS, Konkuk University School of Medicine, Seoul, Korea.
8. Department of Otorhinolaryngology-HNS, University of Ulsan College of Medicine, Ulsan, Korea.
9. Department of Otorhinolaryngology-HNS, Korea University School of Medicine, Seoul, Korea.
10. Department of Otorhinolaryngology-HNS, Yonsei University College of Medicine, Seoul, Korea.