Funding for this research was provided by:
the National Key Research and Development Programme of China (2018YFC1002900)
Received: 14 July 2020
Accepted: 26 December 2020
First Online: 9 January 2021
Ethics approval and consent to participate
: This study was approved by the ethical committee of Shandong Provincial Hospital affiliated to Shandong First Medical University and written informed consent was signed by patients who agreed to participate.
: Not Applicable.
: The authors declare that they have no competing interests.