Authors: Ji An Hwang; Joo Han Song; Jung Hoon Kim; Man Pyo Chung; Dong Soon Kim; Jin Woo Song; Young Whan Kim; Sun Mi Choi; Seung Ick Cha; Soo Taek Uh; Choon-Sik Park; Sung Hwan Jeong; Yong Bum Park; Hong Lyeol Lee; Jong Wook Shin; Eun Joo Lee; Yangjin Jegal; Hyun Kyung Lee; Jong Sun Park; Moo Suk Park Journal: BMC Pulm Med Date: 2017-11-21 Impact factor: 3.317