1. Department of Oncology, First Affiliated Hospital, Xi’an Jiatong University, Xi’an, Shannxi 710061, China
2. Department of The First of Internal Medicine, Tumor Hospital of Shaanxi Province Affiliated Hospital, Medical College of Xi’an Jiao Tong University, Xi’an, Shannxi 710061, China
3. Department of The Fifth of Internal Medicine, Xi’an No5 Hospital, Xi’an, Shannxi 710082, China
4. Department of Obstetrics and Gynecology, Second Affiliated Hospital, Xi’an Jiatong University, Xi’an, Shannxi 710003, China
5. Department of Oncological Surgery, Shaanxi Provincial People's Hospital, Xi’an 710068, China
6. Department of Oncological Surgery, Weinan Central Hospital, Weinan, Shaanxi 714000, China
7. Department of Oncology, Shaanxi Provincial People's Hospital, Xi’an 710068, China