Institution: | ∗ Department of Cardiology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China;† Department of Anesthesiology, Children''s Hospital, Chongqing Medical University, Chongqing, China;‡ Institute of Ultrasound Imaging, Chongqing Medical University, Chongqing, China;§ Department of Nuclear Medicine, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China;‖ Department of Ultrasound, The Third People''s Hospital of Chongqing, Chongqing, China |