作者机构:[1]Division of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, China, [2]Department of Ultrasound, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100037, China
相关基金:This study was supported by grants from the Basic-Clinical Topics of Capital University of Medical Sciences (No.12JL58),Anzhen Hospital President Fund (No.2012Z05 and No.2011F03) and the National Natural Science Foundation of China (No.81000130).