Ren, Jie
Zhang, Lan
Tao, Li
Zhang, Aixia
Yang, Wu
Funding for this research was provided by:
Basic Project of Science and Research of Colleges and Universities of Gansu Province (5001-109)
Article History
Received: 9 May 2019
Accepted: 1 October 2019
First Online: 9 October 2019
Compliance with ethical standards
:
: On behalf of all authors, the corresponding author states that there is no conflict of interest.
Free to read: This content has been made available to all.