Sun, Jing-yang
Zhang, Guo-qiang
Shen, Jun-min
Du, Yin-qiao
Li, Tie-jian
Geng, Zong-jie
Zhou, Yong-gang http://orcid.org/0000-0002-7304-4691
Wang, Yan
Article History
Received: 17 January 2021
Accepted: 10 February 2021
First Online: 20 February 2021
Ethics approval and consent to participate
: This retrospective review study involving human participants was in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study was approved by the medical ethics committee of our hospital. Informed consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no competing interests.