1 Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Educational Institute, Tongji University School of Medicine, 200072, Shanghai, China.
2 Department of Radiotherapy, Shanghai Tenth People's Hospital, Ultrasound Research and Educational Institute, Tongji University School of Medicine, 200072, Shanghai, China.
3 Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Educational Institute, Tongji University School of Medicine, 200072, Shanghai, China. sunliping_s@126.com.
4 Department of Interventional & Vascular Surgery, Tongji University School of Medicine, 200072, Shanghai, China. zxpsibs@163.com.
Following publication of the article, the authors reported that Huixiong Xu had left the department, and requested that the author list be amended accordingly.