Ma, Chunyan
Article History
Received: 30 November 2021
Accepted: 29 April 2022
First Online: 11 May 2022
Declarations
:
: The study was approved by the Ethics Committee of the Third People’s Hospital of Jinan City. Signed written informed consents were obtained from the patients and/or guardians.
: Not applicable.
: The authors declare that they have no competing interests.