[1] Ruhr-University Bochum,Rheumazentrum Ruhrgebiet Herne
[2] University Hospital Düsseldorf,Department and Hiller Research Unit of Rheumatology
[3] University Hospital La Paz,Department of Rheumatology
[4] Novartis Pharma AG,CIRI/Rheumatology and Fraunhofer TMP
[5] ClinProject GmbH,undefined
[6] Novartis Pharma GmbH,undefined
[7] Goethe-University,undefined