Abayomi O
Park SC, Lee SK, Oh HS, Jun TY, Lee MS, Kim JM, Kim JB, Yim HW, Park YC
Kim JA, Yang SJ, Chee YK, Kwon KJ, An J
Lee YS, Park S, Oh YM, Lee SD, Park SW, Kim YS, In KH, Jung BH, Lee KH, Ra SW, Hwang YI, Park YB, Jung KS, Korean COPD Study Group
Park S, Romer D
Lee KJ, Kim JI