Funding for this research was provided by:
Shanghai Hospital Development Center (SHDC12017129)
National Natural Science Foundation of China (No.81871276)
Text and Data Mining valid from 2019-11-28
Received: 7 July 2019
Accepted: 21 October 2019
First Online: 28 November 2019
Ethics approval and consent to participate
: This work was approved by the medical ethics committee of Huadong Hospital affiliated to Fudan University with the following reference numbers: 2016 K044 and 2018 K031.
: All patients agreed to publish this manuscript.
: The authors declare that they have no competing interests.