1. From the Asan Medical Center (S.U.K., D.W.K., H.W.N., J.S.K.), University of Ulsan, Ulsan, Korea; Ilsan Paik Hospital (Y.J.C.), Inje University, Inje, Korea; Eulji University (J.M.P.), Euliji, Korea; Kangdong Sacred Heart Hospital (J.H.L.), Seoul, Korea; Hallym University Sacred Heart Hospital (K.H.Y., B.C.L.), Seoul Korea; Seoul St. Mary's Hospital (J.S.K.), Catholic University of Korea, Seoul, Korea; Chinese University of Hong Kong (K.S.L.W., V.C.M.), Hong Kong, China; Seoul National University...