Funding for this research was provided by:
National Natural Science Foundation of China (81801049)
Minhang District Natural Science Research Project of Shanghai (2016MHZ55)
Text and Data Mining valid from 2020-01-14
Received: 25 April 2019
Accepted: 15 December 2019
First Online: 14 January 2020
Ethics approval and consent to participate
: This study was approved by the Research Ethics Committee, Renji Hospital, Shanghai, China. All participants signed consent forms. It also adhered to international guidelines established for scientific research involving human participants as established by the Declaration of Helsinki and its subsequent amendments.
: Not applicable.
: The authors declare that there is no competing interests.