Differences and similarities between the EULAR/ASAS-EULAR and national recommendations for treatment of patients with psoriatic arthritis and axial spondyloarthritis across Europe oleh Brigitte Michelsen, Mikkel Østergaard, Michael John Nissen, Adrian Ciurea, Burkhard Möller, Lykke Midtbøll Ørnbjerg, Jakub Zavada, Bente Glintborg, Alan MacDonald, Karin Laas, Dan Nordström, Bjorn Gudbjornsson, Florenzo Iannone, Pasoon Hellmand, Tore Kristian Kvien, Ana Maria Rodrigues, Catalin Codreanu, Ziga Rotar, Isabel Castrejón Fernández, Johan Karlsson Wallman, Jiri Vencovsky, Anne Gitte Loft, Maureen Heddle, Sigrid Vorobjov, Anna-Mari Hokkanen, Gerdur Gröndal, Marco Sebastiani, Marleen van de Sande, Eirik Klami Kristianslund, Maria José Santos, Corina Mogosan, Matija Tomsic, Federico Díaz-González, Daniela Di Giuseppe, Merete Lund Hetland