[1] Univ Ulsan, Coll Med, Asan Med Ctr, Dept Pulm & Crit Care Med, Seoul, South Korea
[2] Univ Ulsan, Coll Med, Asan Med Ctr, Dept Infect Dis, Seoul, South Korea
[3] Univ Ulsan, Coll Med, Asan Med Ctr, Dept Lab Med, Seoul, South Korea
[4] Univ Ulsan, Coll Med, Asan Med Ctr, Dept Radiol, Seoul, South Korea
[5] Univ Ulsan, Coll Med, Asan Med Ctr, Asan Inst Life Sci, Seoul, South Korea