IFIT2 and rheumatoid arthritis: From this list, some of the genes such as RGS1EPSTI1, IFI44, IFIT1, IFIT2, IFIT3, RFC1 and RSAD2 were also significantly changed at week 2 as well, while others showed changes at week 2 only, such as ELOVL7, FCGR3A, GPAM, MICA and PF4(Table S1b in Additional file 1).There is no overlap between the final gene panels of CD and RA regarding the responder versus non-respondercomparison.