Funding for this research was provided by:
National Major Science and Technology Projects of China (2016146968)
China Postdoctoral Science Foundation (2017M612014)
National S&T Major Project (2017ZX10203205)
Received: 8 August 2019
Accepted: 7 November 2019
First Online: 21 November 2019
Ethics approval and consent to participate
: This study approved by the Scientific Committee of the China Liver Transplant Registry (ExternalRef removed) which is in accordance with ethical guidelines of Helsinki Declaration 1975, as revised in 2013. Every participant had received a written informed consent before being included in this study.
: Not applicable.
: The authors declare that they have no competing interests.