[1] Chongqing Med Univ, Affiliated Hosp 2, Dept Cardiol, Chongqing 400010, Peoples R China
[2] Chongqing Med Univ, Affiliated Hosp 2, Clin Ctr HIFU Tumor Therapy, Chongqing 400010, Peoples R China
[3] Chongqing Med Univ, Affiliated Hosp 1, Dept Cardiol, Chongqing 400010, Peoples R China
[4] Univ Chicago, Med Ctr, Dept Orthoped Surg, Mol Oncol Lab, Chicago, IL 60637 USA
[5] Natl Engn Res Ctr Ultrasound Med, Chongqing, Peoples R China