1. Paul
C. Lauterbur Research Center for Biomedical Imaging, Institute of
Biomedical and Health Engineering, Shenzhen Institutes of Advanced
Technology, Chinese Academy of Sciences, Shenzhen 518055, China
2. Department
of Echocardiography, Shanghai Eastern Hospital Affiliated to Tongji University, Shanghai 200120, China
3. Department
of Ultrasonography, The Third Affiliated Hospital of Southern Medical University, Guangzhou 510500, China
4. Department
of Physics, University of Vermont, Burlington, Vermont 05405, United States