Funding for this research was provided by:
Qiqihar City Science and Technology Plan Project (SFZD-2019152)
Article History
Received: 9 March 2022
Accepted: 13 April 2022
First Online: 17 May 2022
Declarations
:
: The authors declare that they have no conflict of interest.
: The study was approved by Ethical Committee of the Second Affiliated Hospital of Qiqihar Medical College and conducted in accordance with the ethical standards.
: Yes.