Article History
Received: 25 January 2017
Accepted: 23 January 2018
First Online: 31 January 2018
Ethics approval
: Principles of laboratory animal care were followed, and all procedures were conducted according to the guidelines of the Council for the International Organizations of Medical Sciences and the Internationla Council for Laboratory Animal Science. All the experimental procedures were approved by the Institutional Animal Care and Use Committee of the Nanjing Agricultural University (Nanjing, People’s Republic of China).
: Not applicable.
: The authors declare that they have no competing interests.
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