LIU Yong1,2,QIAN Xiao-xian1-3,WU Wei-kang2,3,ZHOU Bin1,2,CHEN Lin1,2,LIU Jin-lai1,2 1Department of Cardiology,the Third Affiliated Hospital,Sun Yat-sun University,Guangzhou 510630,China;2Cardiovascular Institute,3Institute for Integrated Traditional Chinese and Western Medicine,Sun Yat-sun University,Guangzhou 510080,China