Funding for this research was provided by:
National Key Research and Development Program (2017YFC0113908)
Technological Innovation Project of Chengdu New Industrial Technology Research Institute (2017-CY02-00026-GX)
135 project for disciplines of excellence, West China Hospital (ZYGD18012)
Received: 4 December 2019
Accepted: 8 April 2020
First Online: 29 May 2020
Ethics approval and consent to participate
: Data used in this study was collected as part of medical records. Institutional and/or national research ethic committee has approved the data collection and management process.
: Not applicable.
: The authors declare no competing financial interests.