Department of Research Experimental Center, Meizhou People's Hospital (Huangtang Hospital), Meizhou, P. R. China. Guangdong Provincial Key Laboratory of Precision Medicine and Clinical Translational Research of Hakka Population, Meizhou, P. R. China. Guangdong Provincial Engineering and Technology Research Center for Molecular Diagnostics of Cardiovascular Diseases, Meizhou, P. R. China. Meizhou Academy of Medical Sciences Cardiovascular Disease Research Institute, Meizhou, P. R. China. Guangdong Provincial Key Laboratory of Precision Medicine and Clinical Translational Research of Hakka Population, Meizhou, P. R. China. zhongzhixiong@mzrmyy.com. Guangdong Provincial Engineering and Technology Research Center for Molecular Diagnostics of Cardiovascular Diseases, Meizhou, P. R. China. zhongzhixiong@mzrmyy.com. Meizhou Academy of Medical Sciences Cardiovascular Disease Research Institute, Meizhou, P. R. China. zhongzhixiong@mzrmyy.com. Center for Cardiovascular Diseases, Meizhou People's Hospital (Huangtang Hospital), Meizhou, P. R. China. zhongzhixiong@mzrmyy.com. Meizhou People's Hospital (Huangtang Hospital), No 63 Huangtang Road, Meijiang District, 514031, Meizhou, China. zhongzhixiong@mzrmyy.com.