Acknowledgements
The authors thank Stewart Reid and Paul Scuffham for helpful comments.
Financial & competing interests disclosure
Richard Milne has received funding from Merck and Co. for an economic evaluation of RotaTeq®. Keith Grimwood has been a member of a Rotavirus Advisory Board and received support for conference attendance, lecture fees and a research grant from GlaxoSmithKline; he has also received a research grant from Merck and Co. The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed.
No writing assistance was utilized in the production of this manuscript.