[1] Nanjing University of Chinese Medicine,Department of Anorectal Surgery, First Affiliated Hospital
[2] University of South China,Department of Medical Record Management and Statistics, First Affiliated Hospital
[3] University of South China,Department of Anorectal Surgery, Affiliated Nanhua Hospital
[4] University of South China,Department of Anorectal Surgery, First Affiliated Hospital
[5] Nanjing University of Chinese Medicine,undefined