Funding for this research was provided by:
National Nature Foundation Committee of P.R. China (21565006)
Education Department of Guangxi Zhuang Autonomous Region (KY2016YB132)
Guangxi University for Nationalities (2015MDQD012)
Science and Technology Department of Guangxi Zhuang Autonomous (AD18126005)
Article History
Received: 11 October 2019
Accepted: 1 May 2020
First Online: 6 May 2020
Compliance with ethical standards
:
: There are no conflicts of interest to declare.
: 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.