2018 EULAR recommendations for a core data set to support observational research and clinical care in giant cell arteritis

Lisa Ehlers, Johan Askling, Hans W.J. Bijlsma, Maria Cinta Cid, Maurizio Cutolo, Bhaskar Dasgupta, Christian Dejaco, William G. Dixon, Nils Feltelius, Axel Finckh, Kate Gilbert, Sarah Louise Mackie, Alfred Mahr, Eric L. Matteson, Lorna Neill, Carlo Salvarani, Wolfgang A. Schmidt, Anja Strangfeld, Ronald F. Van Vollenhoven, Frank Buttgereit