Updates are available Correction dated 2021-05-10

Article History

Received: 5 November 2020

Accepted: 12 March 2021

First Online: 1 April 2021

Change Date: 10 May 2021

Change Type: Correction

Change Details: A Correction to this paper has been published:

Change Details: https://doi.org/10.1186/s12886-021-01971-x

Declarations

:

: This study was performed following the guidelines of the Declaration of Helsinki and Tokyo for humans, and approved by Institutional Review Board (IRB) at the Nanjing First Hospital, Nanjing Medical University. Since all data collected were retrospective, the requirement of the informed consent is waived by the IRB of Nanjing First Hospital, Nanjing Medical University for the study.

: Not applicable.

: The authors declare that they have no competing interests.