Funding for this research was provided by:
National Natural Science Foundation of China (No. 81672114)
Science and Technology Innovation Fostering Foundation of Zhongnan Hospital of Wuhan University (cxpy20160025)
Text and Data Mining valid from 2018-12-19
Received: 27 August 2018
Accepted: 4 December 2018
First Online: 19 December 2018
Compliance with ethical standards
: All the authors declare that they have no any conflict of interest.
: This article does not contain any studies with human participants performed by any of the author.
: For this type of study, formal consent is not required.