Department of Radiology, Baotou Central Clinical Medicine College, Inner Mongolia Medical University, Inner Mongolia 014040, China. Baotou Medical Collage, Inner Mongolia 014040, China. Department of Cardiovascular Medicine, Research Center for Translational Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200135,China. Department of Radiology, State Key Laboratory of Cardiovascular Disease, Fu Wai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100037, China. Department of Radiology, Baotou Central Clinical Medicine College, Inner Mongolia Medical University, Inner Mongolia 014040, China, Henrysk@163.com.