1. Department of Otorhinolaryngology–Head & Neck SurgeryCHA Bundang Medical Center, CHA University Seongnam Korea
2. Hallym Data Science LaboratoryHallym University College of Medicine Anyang Korea
3. Graduate School of Public HealthSeoul National University Seoul Korea
4. Department of Internal medicine, Asan Medical CenterUniversity of Ulsan College of Medicine Seoul Korea
5. Department of Otorhinolaryngology–Head & Neck SurgeryHallym University College of Medicine Anyang Korea