Funding for this research was provided by:
National Natural Science Foundation of China (81100075, 81570317)
China Young/Middle-Aged Clinical Study Fund-V.G. (2017-CCA-VG-031)
Research Foundation of Zhongshan Hospital (2019ZSYXGG13)
Text and Data Mining valid from 2020-03-04
Received: 28 November 2019
Accepted: 10 February 2020
First Online: 4 March 2020
Ethics approval and consent to participate
: The study protocol was approved by the ethics committee of Zhongshan Hospital, Fudan University.
: All authors approved the publication of this article.
: The authors declare that they have no competing interests.