[1] Ajou Univ, Sch Med Nucl Med & Mol Imaging, Dept Pulm Med, Suwon 441749, South Korea
[2] Ajou Univ, Sch Med, Dept Pulm Med, Suwon 441749, South Korea
[3] Ajou Univ, Sch Med, Dept Diagnost Radiol, Suwon 441749, South Korea
[4] Ajou Univ, Sch Med, Dept Lab Med, Suwon 441749, South Korea
[5] Ajou Univ, Sch Med, Dept Pathol, Suwon 441749, South Korea