About the Authors

Lei Zhang

Affiliations Department of Ultrasound, Harbin Medical University Cancer Hospital, Harbin, China, Department of Minimal Invasion, Ward 1, The Second Military Medical University Eastern Hepatobiliary Surgery Hospital, Shanghai, China

Neng Wang

Affiliation Department of Minimal Invasion, Ward 1, The Second Military Medical University Eastern Hepatobiliary Surgery Hospital, Shanghai, China

Qiang Shen

Affiliation Department of Minimal Invasion, Ward 1, The Second Military Medical University Eastern Hepatobiliary Surgery Hospital, Shanghai, China

Wen Cheng

chengwen69@yahoo.com (WC); qgjs@sina.com (GJQ)

Affiliation Department of Ultrasound, Harbin Medical University Cancer Hospital, Harbin, China

Guo-Jun Qian

chengwen69@yahoo.com (WC); qgjs@sina.com (GJQ)

Affiliation Department of Minimal Invasion, Ward 1, The Second Military Medical University Eastern Hepatobiliary Surgery Hospital, Shanghai, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LZ WC GJQ . Performed the experiments: LZ NW GJQ . Analyzed the data: LZ QS . Contributed reagents/materials/analysis tools: LZ NW QS. Wrote the paper: LZ WC GJQ.