Funding for this research was provided by:
National Natural Science Foundation of China (31600666)
Text and Data Mining valid from 2018-08-23
Received: 6 June 2018
Accepted: 17 August 2018
First Online: 23 August 2018
Compliance with Ethical Standards
: Approval was received from Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology Review Board in Wuhan, China. All the procedures involving human samples conformed to the principles outlined in the Declaration of Helsinki.
: The authors declare that they have no conflict of interest.