Astrid Jüngel, Caroline Ospelt, Mark Lesch, Melissa Thiel, Teresa Sunyer, Olivier Schorr, Beat A Michel, Renate E Gay, Christoph Kolling, Craig Flory, Steffen Gay, Michel Neidhart
Ann Rheum Dis. 2010 May; 69(5): 898–902. Published online 2009 June 3. doi: 10.1136/ard.2008.106021