Funding for this research was provided by:
National Natural Science Foundation of China (81401606, 81400862)
Department of Science and Technology of Sichuan Province (19ZDYF1454)
Sichuan University (2015SU04A15)
West China Hospital of Sichuan University (2019HXFH056)
Article History
Received: 3 September 2019
Accepted: 23 October 2019
First Online: 4 November 2019
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.