Conley, S J
Bosco, E E
Tice, D A
Hollingsworth, R E
Herbst, R
Xiao, Z
Article History
Received: 9 July 2015
Revised: 22 October 2015
Accepted: 14 November 2015
First Online: 4 January 2016
Competing interests
: SC, EB, DT, RH, RH and ZX are employees of MedImmune. Funding for all research was provided by MedImmune.