1. Department of Surgery, Huaihe Hospital of Henan University, Kaifeng, Henan, China (mainland)
2. Clinical Research Center, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China (mainland)
3. Center for Evidence-Based and Translational Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China (mainland)