Funding for this research was provided by:
The Scientific and Technological Research Project in Henan Province (162102210297, 172102110034)
Major Scientific and Technological Project in Henan Province (141100110800)
Key Research Projects of Higher Education in Henan province (17A230011)
Text and Data Mining valid from 2018-09-03
Received: 29 December 2017
Accepted: 24 August 2018
First Online: 3 September 2018
Compliance with ethical standards
: The authors declare no conflicts of interest.
: All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.