Lin, Jing
Jin, Hua
Chen, Lei
Article History
Received: 12 February 2021
Accepted: 2 July 2021
First Online: 23 July 2021
Declarations
:
: Institutional Review Board Project # No. HZKY-PJ-2020–42 was approved on 12 May 2020 by the Sixth Medical Center of PLA General Hospital Ethics Committee. All study participants gave verbal informed consent, this was approved by the Sixth Medical Center of PLA General Hospital Ethics Committee as it was a retrospective study and no interventions was given to the participants. This manuscript reported adherence to Declaration of Helsinki.
: Not applicable.
: The authors declare they have no competing interests.