1 Inner Mongolia Medical University, Department of Gastrointestinal Surgery, Affiliated Hospital of Inner Mongolia Medical University, Huhehot North Street, Inner Mongolia, 010050, China. Electronic address: 948240706@qq.com.
2 Inner Mongolia Medical University, Department of Gastrointestinal Surgery, Affiliated Hospital of Inner Mongolia Medical University, Huhehot North Street, Inner Mongolia, 010050, China. Electronic address: 634746937@qq.com.
4 Inner Mongolia Medical University, Department of Gastrointestinal Surgery, Affiliated Hospital of Inner Mongolia Medical University, Huhehot North Street, Inner Mongolia, 010050, China.