Yang, Bingyi
Lau, Eric H. Y.
Wu, Peng
Cowling, Benjamin J.
Article History
Received: 17 March 2016
Accepted: 19 May 2016
First Online: 7 June 2016
Competing interests
: BJC has received research funding from MedImmune Inc. and Sanofi Pasteur and consults for Crucell NV.