Lian, Jiajia
Liu, Pei
Jin, Chunqiao
Shi, Zhiqiang
Luo, Xiliang
Liu, Qingyun
Funding for this research was provided by:
National Natural Science Foundation of China (21271119)
Natural Science Foundation of Shandong Province (ZR2018MB002 and ZR2018MEE003)
Article History
Received: 3 January 2019
Accepted: 12 April 2019
First Online: 6 May 2019
Compliance with ethical standards
: The author(s) declare that they have no competing interests.