Authors: Claudia Kedor; Joachim Listing; Jan Zernicke; Anja Weiß; Frank Behrens; Norbert Blank; Joerg Christoph Henes; Joern Kekow; Andrea Rubbert-Roth; Hendrik Schulze-Koops; Eva Seipelt; Christof Specker; Eugen Feist Journal: Ann Rheum Dis Date: 2020-05-13 Impact factor: 27.973