Funding for this research was provided by:
the 1.3.5 project for disciplines of excellence, West China Hospital, Sichuan University (ZYGD18022)
Article History
Received: 22 March 2020
Accepted: 17 June 2020
First Online: 28 June 2020
Compliance with Ethical Standards
:
: Yan Wang, Xiang Chen, and Haoming Tian declare that they have no conflict of interest.