Funding for this research was provided by:
National Natural Science Foundation of China (31771017, 81772425)
Science and Technology Commission of Shanghai Municipality (16441908700)
Shanghai Jiao Tong University (JYYQ201516, YG2016MS11, YG2017MS09)
Shanghai Pujiang Program (17PJ1405000)
Innovation Research Plan supported by Shanghai Municipal Education Commission (ZXWF082101)
National Key R&D Program of China (2017YFC0110700)
Guangxi Science and Technology Program Project (GK AD17195042, GK AD17129017)
Text and Data Mining valid from 2019-11-11
Received: 25 June 2019
Accepted: 20 September 2019
First Online: 11 November 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Shanghai Ninth People’s Hospital, China (No. 2016141). A certificate of approval has been provided. The requirement of informed consent was exempted due to the retrospective nature of the study.
: Not applicable.
: The authors declare that they have no competing interests.