- Correspondence to Ann B Gates, Division of Physiotherapy and Rehabilitation Sciences, University of Nottingham, Clinical Sciences Building, Hucknall Road, Nottingham NG5 1PB, UK;
- Accepted 3 October 2016
- Published online 20 October 2016.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.