- Correspondence to Professor Paul Emery, University of Leeds, Leeds Institute of Rheumatic and Musculoskeletal Medicine, Chapel Allerton Hospital, Second Floor, Chapeltown Road, Leeds LS7 4SA, UK;
- Received July 14, 2015
- Revised December 16, 2015
- Accepted December 20, 2015
- First published January 22, 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.