1. Department of General Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, Zhejiang 315000, P.R. China
2. Faculty of Preclinical Medicine, Guangxi University of Chinese Medicine, Nanning, Guangxi 530000, P.R. China
3. Department of Healthcare, Tianjin International Travel Healthcare Center (Tianjin Customs Port Outpatient Department), Tianjin 300000, P.R. China
4. Department of Clinical Laboratory, The First Affiliated Hospital of Guangxi University of Chinese Medicine, Nanning, Guangxi 530000, P.R. China
5. Department of Oncology, The First Affiliated Hospital of Suzhou University, Suzhou, Jiangsu 215000, P.R. China