1. Department of Otorhinolaryngology-Head & Neck Surgery, CHA Bundang Medical Center, CHA University, Seongnam, Korea
2. Hallym Data Science Laboratory, Hallym University College of Medicine, Anyang, Korea
3. Graduate School of Public Health, Seoul National University, Seoul, Korea
4. Department of Urology, Hallym University College of Medicine, Anyang, Korea
5. Department of Otorhinolaryngology-Head & Neck Surgery, Hallym University College of Medicine, Anyang, Korea