Institution: | 1.Department of Internal Medicine, Erasmus MC, University Medical Center, ''s-Gravendijkwal 230, Rotterdam, 3015 CE, The Netherlands;2.Department of Rheumatology, Erasmus MC, University Medical Center, ''s-Gravendijkwal 230, Rotterdam, 3015 CE, The Netherlands;3.Department of Rheumatology, Maasstad Hospital, Maasstadweg 21, Rotterdam, 3079DZ, The Netherlands;4.Department of Rheumatology, Sint Franciscus Gasthuis, Kleiweg 500, Rotterdam, 3045PM, The Netherlands |