1. Department of Echocardiography, First Affiliated Hospital of Xinjiang Medical University, Xinjiang Key Laboratory of Ultrasound Medicine, Urumqi, Xinjiang, 830011, P. R. China
2. Paul C. Lauterbur Research Center for Biomedical Imaging, CAS Key Laboratory of Health Informatics, Shenzhen Key Laboratory of Ultrasound Imaging and Therapy, Institute of Biomedical and Health Engineering, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, 518055, P. R. China