[1] Inje Univ, Coll Med, Dept Pediat, Seoul 139707, South Korea
[2] Inje Univ, Coll Med, Dept Diagnost Lab Med, Seoul 139707, South Korea
[3] Inje Univ, Coll Med, Dept Internal Med, Seoul 139707, South Korea
[4] Inje Univ, Coll Med, Dept Otolaryngol, Seoul 139707, South Korea
[5] Inje Univ, Coll Med, Dept Diagnost Pathol, Sanggyepek Hosp, Seoul 139707, South Korea