Simmer, K
Kok, C
Nancarrow, K
Hepworth, A R
Geddes, D T
Article History
Received: 2 July 2015
Revised: 31 August 2015
Accepted: 2 October 2015
First Online: 10 December 2015
Competing interests
: Medela AG provides an unrestricted research grant to DTG from which a salary to DTG and ARH are paid. Medela AG partially funded a research nurse for this study. DTG and KS have received a speaker fee from Medela AG for educational lectures.