Zhan, Xi http://orcid.org/0000-0001-6374-7740
Yan, Wei
Wang, Ying
Li, Qing
Shi, Xuhua
Gao, Yanli
Ye, Qiao
Article History
Received: 29 July 2020
Accepted: 4 January 2021
First Online: 12 February 2021
Ethics approval and consent to participate
: Waived by the IRB (Institutional Review Board) of Beijing Chaoyang Hospital, because it was a retrospective analysis.
: Not applicable.
: The authors declare that they have no competing interests.