Received: 6 July 2020
Accepted: 18 November 2020
First Online: 11 December 2020
Change Date: 28 November 2023
Change Type: Correction
Change Details: This article has been retracted. Please see the Retraction Notice for more detail:
Change Details: https://doi.org/10.1186/s12879-023-08841-5
Ethics approval and consent to participate
: Our study has been verified and approved by the ethics commitment of Xi’an International Medical Center Hospital (EC17090184), and written informed consents have been obtained from all the included participants.
: Not applicable.
: The authors declare that they have no competing interests.