Ruochuan Sun, the First Affiliated Hospital of Anhui Medical University
21 November 2014
The author affiliation "1The Eighth Department of General Surgery, Hefei, China" is actually "1The Eighth Department of General Surgery, the First Affiliated Hospital of Anhui Medical University, Hefei, China".
Competing interests
The authors declare that they have no competing interest.
The statement of correcting author affiliations
21 November 2014
The author affiliation "1The Eighth Department of General Surgery, Hefei, China" is actually "1The Eighth Department of General Surgery, the First Affiliated Hospital of Anhui Medical University, Hefei, China".Competing interests
The authors declare that they have no competing interest.