Funding for this research was provided by:
National Natural Science Foundation of China (81372794, 81672565)
Text and Data Mining valid from 2019-09-23
Received: 16 August 2019
Accepted: 9 September 2019
First Online: 23 September 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Shanghai Jiao Tong University Affiliated Sixth People’s Hospital. All the patients were provided with informed consent.
: Not applicable.
: The authors declare that they have no competing interests.