Wu, Junfu
Dai, Liyuan
Lou, Weihua
Article History
Received: 7 May 2020
Accepted: 9 September 2020
First Online: 16 September 2020
Ethics approval and consent to participate
: Henan Cancer Hospital Research Ethics committee approved this study (approval number: HNZZ20170102) and all patients provided written informed consent. The study was conducted in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.