Funding for this research was provided by:
Natural Science Foundation Project of CQ (cstc2018jscx-msybX0263)
National Natural Science Foundation of China (21405125)
China Agriculture Research System (CARS-27)
National Risk Assessment Program for Agricultural Products Quality and Safety (GJFP2018003, GJFP2017013)
Article History
Received: 23 November 2018
Accepted: 11 February 2019
First Online: 22 February 2019
Compliance with ethical standards
: The author(s) declare that they have no competing interests.