Sara M Atkinson, Pernille A Usher, Peter H Kvist, Helle Markholst, Claus Haase* and Anneline Nansen*
* Corresponding authors: Claus Haase csha@novonordisk.com - Anneline Nansen aena@novonordisk.com
Arthritis Research & Therapy 2012, 14:R134 doi:10.1186/ar3867