About the Authors

Yi-Feng Zhang

Affiliation Department of Medical Ultrasound, Tenth People’s Hospital of Tongji University, Shanghai, People’s Republic of China

Hui-Xiong Xu

xuhuixiong@hotmail.com

Affiliation Department of Medical Ultrasound, Tenth People’s Hospital of Tongji University, Shanghai, People’s Republic of China

Yong He

Affiliations Department of Medical Ultrasound, Tenth People’s Hospital of Tongji University, Shanghai, People’s Republic of China, Department of Medical Ultrasound, Yichang Central People’s Hospital, The First College of Clinical Medical Science, China Three Gorges University, Yichang, People’s Republic of China

Chang Liu

Affiliation Department of Medical Ultrasound, Tenth People’s Hospital of Tongji University, Shanghai, People’s Republic of China

Le-Hang Guo

Affiliation Department of Medical Ultrasound, Tenth People’s Hospital of Tongji University, Shanghai, People’s Republic of China

Lin-Na Liu

Affiliation Department of Medical Ultrasound, Tenth People’s Hospital of Tongji University, Shanghai, People’s Republic of China

Jun-Mei Xu

Affiliation Department of Medical Ultrasound, Tenth People’s Hospital of Tongji University, Shanghai, People’s Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YFZ HXX. Performed the experiments: YFZ HXX YH. Analyzed the data: YFZ CL LHG. Contributed reagents/materials/analysis tools: YFZ LNL JMX. Wrote the paper: YFZ HXX.