Funding for this research was provided by:
1.3.5 project for disciplines of excellence, West China Hospotal, Sichuan University (ZYGD18011)
1.3.5 project for disciplines of excellence, West China Hospotal, Sichuan University (ZY2016104)
1.3.5 project for disciplines of excellence, West China Hospotal, Sichuan University (ZYJC18015)
Article History
Received: 3 April 2020
Accepted: 5 June 2020
First Online: 9 June 2020
Compliance with ethical standards
:
: The authors of this article as well as all the included studies declare that they have no conflict of interest.
: The study protocol is compliant with ethical standards.
: Informed consent was obtained from all individual participants included in the study.