Text and Data Mining valid from 2019-10-16
Received: 3 February 2019
Accepted: 23 September 2019
First Online: 16 October 2019
Ethics approval and consent to participate
: All the breeding and experimental protocols were approved by the Committee on the Use of Live Animals in Teaching and Research in The University of Hong Kong (CULATR #1022-04 and #2046-09).
: The authors declare that they have no competing interests.