Funding for this research was provided by:
Natural Science Foundation of Shaanxi Province (2018JM2039)
Science and Technology Program of Xi’an, China (2019216914GXRC005CG006-GXYD5.3)
Article History
Received: 30 September 2019
Accepted: 10 January 2020
First Online: 25 February 2020
Compliance with Ethical Standards
:
: Shuming Li declares that she has no conflict of interest. Qian Liang declares that she has no conflict of interest. Shadi Ali Hassen Ahmed declares that he has no conflict of interest. Jing Zhang declares that she has no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.