Zhai, Yang
Zhao, Bin
Wang, Yuzhen
Li, Lina
Li, Jingjin
Li, Xu
Chang, Linhan
Chen, Qian
Liao, Zijun
Article History
Received: 11 November 2020
Accepted: 11 February 2021
First Online: 1 March 2021
Ethics approval and consent to participate
: The studies involving human participants were reviewed and approved by Ethics Committee of Tumor Hospital of Shaanxi Province. Written informed consent for participation was not required for this study in accordance with the national legislation and the institutional requirements.
: No consent is required in this study.
: These authors declare no conflicts of interest.