Investigation of potential non-HLA rheumatoid arthritis susceptibility loci in a European cohort increases the evidence for nine markers

Darren Plant, Edward Flynn, Hamdi Mbarek, Philippe Dieudé, François Cornelis, Lisbeth Arlestig, Solbritt Rantapää Dahlqvist, George Goulielmos, Dimitrios T Boumpas, Prodromos Sidiropoulos, Julia S Johansen, Lykke M Ørnbjerg, Merete Lund Hetland, Lars Klareskog, Andrew Filer, Christopher D Buckley, Karim Raza, Torsten Witte, Reinhold E Schmidt, Jane Worthington