Funding for this research was provided by:
National Natural Science Foundation of China (91859203, 81871890)
Science and Technology Planning Project of Shenzhen Municipality (2017-CY02-00030-GX)
National Key Development Plan for Precision Medicine Research (2017YFC0910004)
Received: 2 November 2019
Accepted: 11 February 2020
First Online: 24 February 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of West China Hospital, Sichuan University” that approved the retrospective study in which informed consent was waived, but patient confidentiality was protected.
: Not applicable.
: The authors declare that they have no competing interests.