Funding for this research was provided by:
National Natural Science Foundation of China (81802190,81772412)
Qingdao Basic Applied Research Project (19-6-2-51-cg)
the Young Taishan Scholars Program (tsqn201909190)
National Key Research and Development Projec (2019YFC0121404)
Received: 16 June 2020
Accepted: 25 November 2020
First Online: 3 December 2020
Ethics approval and consent to participate
: The study was approved by the Human Ethic Committee of the Affiliated Hospital of Qingdao University. All patients provided written informed consent and the project was in accordance with the Helsinki Declaration of 1975.
: Not applicable.
: The authors declare that they have no competing interests.