Received: 11 June 2019
Accepted: 27 November 2019
First Online: 5 December 2019
: Our animal experiments were approved by the Animal Care and Use Committee of China Agricultural University (Approval ID: XXCB-20090209). All the animals were fed and handled according to the regulations and guidelines established by this committee, and all efforts were made to minimize suffering.
: Not applicable
: The author NY is a member of the editorial board (Associate Editor) of this journal.