Funding for this research was provided by:
National Natural Science Foundation of China (81803778)
Received: 18 January 2020
Accepted: 19 February 2020
First Online: 23 June 2020
Ethics approval and consent to participate
: The study has been examined and certified by the Fifth Affiliated Hospital of Wenzhou Medical University, and informed consent was obtained from all participants included in the study, in agreement with institutional guidelines.
: The Central Hospital of Zhejiang Lishui.
: The authors declare that they have no competing interests.