1 Department of Gastrointestinal Surgery, The Affiliated Dongguan Shilong People's Hospital of Southern Medical University, Dongguan, 523320, China. Electronic address: gaozhiguangscholar@dingtalk.com.
2 Guangdong Medical University, China. Electronic address: 1184069367@qq.com.
3 Department of Gastrointestinal Surgery, The Affiliated Dongguan Shilong People's Hospital of Southern Medical University, Dongguan, 523320, China. Electronic address: drlimin@yahoo.com.
4 Department of Gastrointestinal Surgery, The Affiliated Dongguan Shilong People's Hospital of Southern Medical University, Dongguan, 523320, China. Electronic address: zhouhuabin1985@163.com.