Zhang, Xiaoqiang
Li, Shuang
Liu, Jing
Article History
Received: 5 February 2021
Accepted: 6 May 2021
First Online: 20 May 2021
Change Date: 18 June 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/s12871-021-01390-x
Declarations
:
: This study was approved by the Clinical Research Ethics Committee of Mengcheng County No. 1 People’s Hospital (2020MYL20003) and registered at ExternalRef removed (15/09/2020, ChiCTR-2000038252). The study protocol followed the CONSORT guidelines. The study protocol was performed in the relevant guidelines. Written informed consent was obtained from all patients.
: Not applicable.
: All authors declare that they have no conflicts of interest.