Funding for this research was provided by:
Zhejiang Province Medical and Health Care Project (2019KY279)
Zhejiang Provincial Natural Science Foundation of China (LY18H160035)
Text and Data Mining valid from 2019-11-30
Received: 16 July 2019
Accepted: 8 November 2019
First Online: 30 November 2019
Ethics approval and consent to participate
: This study was conducted in accordance with the Helsinki Declaration II and was approved by the Institutional Review Boards of Zhejiang Provincial People’s Hospital and Taizhou cancer Hospital.
: Not applicable.
: The authors declare that they have no competing interests.