Liu, Hao
Ding, Ya-Nan
Bian, Bing
Li, Lei
Li, Ruomeng
Zhang, Xianxi
Liu, Zhenxue
Zhang, Xiao
Fan, Gaochao
Liu, Qingyun http://orcid.org/0000-0003-1178-6232
Funding for this research was provided by:
National Natural Science Foundation of China (Grant No. 21971152)
Natural Science Foundation of Shandong Province (Grant No. ZR2018MB002, ZR2018MEE003, ZR2018PEE006 and ZR2017BB008)
the Science and Technology Projects for Colleges and Universities in Shandong Province (No. J17KA097)
Innovation Fund of Science & Technology of Graduate Students (SDKDYC180239)
Scientific Research Foundation of Shandong University of Science and Technology for Recruited Talents (Grant No. 2015RCJJ018, 2017RCJJ040 and 2017RCJJ041)
Article History
Received: 23 June 2019
Accepted: 12 October 2019
First Online: 9 November 2019
Compliance with ethical standards
:
: The author(s) declare that they have no competing interests.