1. The Facial Nerve Disorder Subcommittee, The Quality Control Committee of the Korean Otologic Society, Seoul, Korea.
2. Department of Otorhinolaryngology-Head and Neck Surgery, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwaseong, Korea.
3. Department of Otorhinolaryngology-Head and Neck Surgery, Ewha Womans University Faculty of Medicine, Seoul, Korea.
4. Department of Otorhinolaryngology-Head and Neck Surgery, Soonchunhyang University Bucheon Hospital, Soonchunhyang University School of Medicine, Bucheon, Korea.
5. Department of Otolaryngology-Head and Neck Surgery, Bucheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
6. Department of Otolaryngology-Head and Neck Surgery, College of Medicine, Hanyang University, Seoul, Korea.
7. Department of Otolaryngology-Head and Neck Surgery, Uijeongbu St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
8. Department of Otorhinolaryngology-Head and Neck Surgery, School of Medicine, Kyung Hee University, Seoul, Korea.