Funding for this research was provided by:
1•3•5 project for disciplines of excellence-clinical Research Incubation Project (2018SCUH0031)
Received: 31 March 2020
Accepted: 6 April 2020
First Online: 16 April 2020
Ethics approval and consent to participate
: The clinical research ethics boards of the West China Hospital approved the study, ethics code: 2019(130).
: Not applicable.
: The authors declare that there are no conflicts of interest.