Dejaco, Christian; Putrit, Polina; Unger, Julia; Aletaha, Daniel; Bianchi, Gerolamo; Bijlsma, Johannes W.; Boonen, Annelies; Čikeš, Nada; Finckh, Axel; Gossec, Laure; Kvien, Tore K; Madruga Dias, Joao; Matteson, Eric L.; Sivera, Francisca; Stamm, Tanja A.; Szekanecz, Zoltan; Wiek, Dieter; Zink, Angela; Ramiro, Sofia; Buttgereit, Frank: EULAR ‘points to consider’ for the conduction of workforce requirement studies in rheumatology