Funding for this research was provided by:
Natural Science Foundation of Shandong Province (ZR2017BH017)
Key Technology Research and Development Program of Shandong (2016GSF201039)
Shandong Department of Science and Technology (ZR2018BH002)
Received: 20 July 2020
Accepted: 19 November 2020
First Online: 9 December 2020
Ethics approval and consent to participate
: This study was approved by the Research and Ethical Committee of the Shandong Provincial Hospital Affiliated to Shandong First Medical University, China, basing on the 1964 Helsinki Declaration and its later amendments.
: No applicable.
: The authors indicated no potential conflicts of interest.