Zhang, Hao
Wang, Chunlin
Liu, Yunxiao
Hu, Hanqing
Tang, Qingchao
Huang, Rui
Wang, Meng
Wang, Guiyu
Article History
Received: 17 May 2022
Accepted: 9 January 2023
First Online: 30 January 2023
Declarations
:
: This study was approved by the Ethics Committee of the Second Affiliated Hospital of Harbin Medical University. All methods were carried out in accordance with the Declaration of Helsinki and the approved guidelines. The data enrolled in this study were obtained from openly accessed SEER database and National Cancer Institute had given us permission to obtain data file for research only (Reference number: 14262 - Nov2019). The informed consent was waived by the Ethics Committee of the Second Affiliated Hospital of Harbin Medical University according to personal identifying information was not included.
: Not applicable.
: The authors have no conflicts of interest to declare.