Natori, Y
Humar, A
Lipton, J
Kim, D D
Ashton, P
Hoschler, K
Kumar, D
Article History
Received: 16 November 2016
Revised: 26 December 2016
Accepted: 12 January 2017
First Online: 6 March 2017
Competing interests
: DK has received research funding from Roche and GSK, honoraria from GSK and Sanofi. The remaining authors have no conflicts of interest.