Funding for this research was provided by:
National Natural Science Foundation of China (81800836, 81770939)
Text and Data Mining valid from 2019-07-10
Received: 19 March 2019
Accepted: 24 June 2019
First Online: 10 July 2019
Ethics approval and consent to participate
: This study has been approved by the ethic committee of Shanghai Tenth People’s Hospital, and was in compliance with the Declaration of Helsinki. All individuals included in this study gave their written approval and consent for conducting this study and publishing in academic journals.
: Not applicable.
: The authors declare no conflict of interests.