Funding for this research was provided by:
1·3·5 project for disciplines of excellence–Clinical Research Incubation Project, West China Hospital, Sichuan Universit (2018HXFH021)
Article History
Received: 7 February 2019
Accepted: 3 June 2019
First Online: 11 June 2019
Consent for publication
: Not applicable.
: The authors declare that they have no competing interests.