Department of Cardiology, The First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning, China. Department of Cardiology, Fuling Central Hospital, Chongqing, 408000, China. Department of Neurology, The People's Hospital of Liaoning Province, Shenyang, 110016, Liaoning, China. Department of Neurology, The First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning, China. Department of Neurology, The First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning, China. zhaoyinan1616@yahoo.co.jp.