Affiliation: | a Cardiovascular Center, Korea University Guro Hospital, Seoul, Korea b Cardiology Division, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China c Cardiology Department, the Second Hospital of Tianjin Medical University, Tianjin, China d Cardiovascular Center, Chonnam National University Hospital, Gwangju, Korea e Cardiovascular Center, Pusan National University Hospital, Pusan, Korea f Cardiovascular Center, Yeungnam University Hospital, Daegu, Korea g Cardiovascular Center, Keimyung University Dongsan Hospital, Daegu, Korea h Cardiovascular Center, Chungnam National University Hospital, Daejeon, Korea i Cardiovascular Center, Chonbuk National University Hospital, Jeonju, Korea j Cardiovascular Center, Chungbuk National University Hospital, Chongju, Korea k Cardiovascular Center, Konyang University Hospital, Daejeon, Korea l Cardiovascular Center, Yonsei University Severance Hospital, Seoul, Korea m Cardiovascular Center, Seoul National University Bundang Hospital, Bundang, Korea n Cardiovascular Center, Seoul National University Hospital, Seoul, Korea o Cardiovascular Center, Kyung Hee University East-West Neo Medical Center, Seoul, Korea p Cardiovascular Center, Yonsei University Wonju Christian Hospital, Wonju, Korea q Cardiovascular Center, Gacheon University Gil Hospital, Seoul, Korea r Cardiovascular Center, Ajou University Hospital, Seoul, Korea s Cardiovascular Center, Seoul St. Mary’s Hospital, Seoul, Korea t Cardiovascular Center, Ulsan University Asan Medical Center, Seoul, Korea |