Walton, C
Montoya, M P B
Fowler, D P
Turner, C
Jia, W
Whitehead, R N
Griffiths, L
Waring, R H
Ramsden, D B
Cole, J A
Cauchi, M
Bessant, C
Naylor, S J
Hunter, J O
Article History
Received: 22 October 2015
Revised: 21 March 2016
Accepted: 23 March 2016
First Online: 11 May 2016
Competing interests
: Professor JO Hunter has received grants for research and honoraria for speaking from both Nutricia UK and Nestle UK. The other authors declare no conflict of interest.