[1] CHA Univ, Bundang CHA Med Ctr, Dept Otorhinolaryngol Head & Neck Surg, Seongnam 13488, South Korea
[2] Hallym Univ, Coll Med, Hallym Data Sci Lab, Anyang 14068, South Korea
[3] Hallym Univ, Hallym Sacred Heart Hosp, Coll Med, Dept Pathol, Anyang 14068, South Korea
[4] Hallym Univ, Coll Med, Dept Neurosurg, Anyang 14068, South Korea
[5] Hallym Univ, Hallym Sacred Heart Hosp, Coll Med, Div Pulm Allergy & Crit Care Med,Dept Med, Anyang 14068, South Korea
[6] Hallym Univ, Hallym Sacred Heart Hosp, Coll Med, Dept Urol, Anyang 14068, South Korea
[7] Hallym Univ, Coll Med, Dept Otorhinolaryngol Head & Neck Surg, Anyang 14068, South Korea