Funding for this research was provided by:
Science and Technology Innovation Incentive Project of Qiqihar City (CSFGG-2020166)
Article History
Received: 7 February 2021
Accepted: 24 May 2021
First Online: 4 June 2021
Declarations
:
: The authors declare that they have no conflict of interest.
: The study was approved by Ethical Committee of The Third Affiliated Hospital of Qiqihaer Medical University and conducted in accordance with the ethical standards.
: Subjects signed the informed consent.