Funding for this research was provided by:
Chongqing Yuzhong District Science and Technology Project (20170126)
Received: 30 June 2020
Accepted: 14 January 2021
First Online: 1 February 2021
Ethics approval and consent to participate
: This study was approved by Ethics Committee of Chongqing General Hospital (Approval No. 20170126).
: The participant enrolled into the study agreed to the use of data for research.
: The authors declare that they have no competing interests.