Funding for this research was provided by:
Research Project of Health Commission of Heilongjiang Province (2019-057)
National Cancer Center Climbing Fund
The Fundamental Research Funds for the Provincial Universities.
Article History
Received: 15 April 2020
Accepted: 28 August 2020
First Online: 10 September 2020
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: No animals or humans are involved in this study.