Li, Pei
Liu, Qing
Luo, Hongyan
Liang, Kang
Han, Yue
Roland, Kenneth L.
Curtiss, Roy III
Kong, Qingke
Article History
Received: 13 September 2017
Revised: 1 December 2017
Accepted: 8 December 2017
First Online: 9 January 2018
Competing interests
: RC is a founder and Chief Scientific Officer of Curtiss Healthcare, Inc., which is developing vaccines for food animals. The remaining authors declare no competing financial interests.