Multinational evidence-based recommendations for the use of methotrexate in rheumatic disorders with a focus on rheumatoid arthritis: integrating systematic literature research and expert opinion of a broad international panel of rheumatologists in the 3E Initiative

K Visser, W Katchamart, E Loza, J A Martinez-Lopez, C Salliot, J Trudeau, C Bombardier, L Carmona, D van der Heijde, J W J Bijlsma, D T Boumpas, H Canhao, C J Edwards, V Hamuryudan, T K Kvien, B F Leeb, E M Martín-Mola, H Mielants, U Müller-Ladner, G MurphyVis 6 andreVis mindreMikkel Østergaard, I A Pereira, C Ramos-Remus, G Valentini, J Zochling, M Dougados