1. Department of Otorhinolaryngology – Head and Neck Surgery, College of Medicine, Ewha Womans University, Seoul, Korea
2. Department of Molecular Medicine, College of Medicine, Ewha Womans University, Seoul, Republic of Korea
3. Department of Otorhinolaryngology – Head and Neck Surgery, Ewha Womans University Seoul hospital, Gangseo-gu, Seoul, Republic of Korea