Funding for this research was provided by:
The 1.3.5 project for disciplines of excellence, West China Hospital, Sichuan University (ZY2016104)
Department of Science and Technology of Sichuan Province (2018SZ0168)
Article History
Received: 10 December 2018
Accepted: 18 January 2019
First Online: 25 January 2019
Compliance with ethical standards
:
: All authors have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.