Funding for this research was provided by:
National Basic Research Program of China (973 Program) (2016YFD0500805-4)
Fujian Public Welfare Project (2018R1023-12)
Text and Data Mining valid from 2019-01-10
Received: 11 October 2018
Accepted: 20 December 2018
First Online: 10 January 2019
Ethics approval and consent to participate
: All conducted autopsy examinations were done according to international guidelines and recommendations. All animal experiments conducted in the Institute of Animal Husbandry and Veterinary Medicine were approved by Laboratory Animal Bioethics Committee of Institute of Animal Husbandry and Veterinary Medicine in accordance with animal ethics guidelines and approved protocols. The approval numbers of the ethics committee are IAHV-AEC-2017-0927 and IAHV-AEC-2018-0312.
: Not applicable
: The authors declare that they have no competing interests.
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