Xu, Kangwei
Li, Changgui
Gravel, Caroline
Jiang, Zheng
Jaentschke, Bozena
Van Domselaar, Gary
Li, Xuguang
Wang, Junzhi
Article History
Received: 13 October 2017
Accepted: 14 December 2017
First Online: 18 January 2018
Competing Interests
: The authors declare that they have no competing interests.