Authors: Josef S Smolen; Robert Landewé; Ferdinand C Breedveld; Maya Buch; Gerd Burmester; Maxime Dougados; Paul Emery; Cécile Gaujoux-Viala; Laure Gossec; Jackie Nam; Sofia Ramiro; Kevin Winthrop; Maarten de Wit; Daniel Aletaha; Neil Betteridge; Johannes W J Bijlsma; Maarten Boers; Frank Buttgereit; Bernard Combe; Maurizio Cutolo; Nemanja Damjanov; Johanna M W Hazes; Marios Kouloumas; Tore K Kvien; Xavier Mariette; Karel Pavelka; Piet L C M van Riel; Andrea Rubbert-Roth; Marieke Scholte-Voshaar; David L Scott; Tuulikki Sokka-Isler; John B Wong; Désirée van der Heijde Journal: Ann Rheum Dis Date: 2013-10-25 Impact factor: 19.103