Zhong, H
Fazenbaker, C
Chen, C
Breen, S
Huang, J
Yao, X
Ren, P
Yao, Y
Herbst, R
Hollingsworth, R E
Article History
Received: 21 August 2015
Revised: 15 April 2016
Accepted: 24 May 2016
First Online: 11 July 2016
Competing interests
: The authors are full-time employees of MedImmune.