Funding for this research was provided by:
National Natural Science Foundation of China (81570810)
Technology Project of Jiangsu Province (2014085)
Project funded by Jiangsu Province Health Commission (H201402)
Text and Data Mining valid from 2018-08-17
Received: 27 February 2018
Accepted: 9 July 2018
First Online: 17 August 2018
Ethics approval and consent to participate
: The experimental protocol was approved by the Institutional Ethics Board of the First Affiliated Hospital with Nanjing Medical University (NO2015-SR-032). All patients signed written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.