Rufai, S R
Almuhtaseb, H
Paul, R M
Stuart, B L
Kendrick, T
Lee, H
Lotery, A J
Article History
Received: 24 December 2016
Accepted: 12 March 2017
First Online: 5 May 2017
Competing interests
: SRR, HA and AJL have been supported by travel grants from Bayer. The remaining authors declare no conflict of interests.