Affiliations

• ¹ Department of Internal Medicine III, University Hospital Jena, Am Klinikum 1, 07747, Jena, Germany. alexander.pfeil@med.uni-jena.de.
• ² Department of Rheumatology and Clinical Immunology, Charité University Medicine, Berlin, Germany.
• ³ Rheinisches Rheumazentrum Meerbusch-Lank, St. Elisabeth Hospital, Meerbusch, Germany.
• ⁴ Rheumatology and Geriatrics, Helios Klinikum Berlin-Buch, Berlin, Germany.
• ⁵ Department of Internal Medicine, Clinic for Internal Medicine II, University Hospital Halle, Halle (Saale), Germany.
• ⁶ Department of Internal Medicine, Division of Rheumatology, Clinical Immunology and Osteology, Immanuel Hospital Berlin, Berlin, Germany.
• ⁷ Division of Rheumatology, Department of Medicine V, University Hospital Heidelberg, Heidelberg, Germany.
• ⁸ Medical Clinic 3, Rheumatology and Immunology, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nuremberg, Erlangen, Germany.
• ⁹ Joint practice Internal Medicine Rheumatology-Nephrology, Erlangen, Germany.
• ¹⁰ Clinic for Rheumatology and Clinical Immunology, Evangelisches Krankenhaus Kliniken Essen-Mitte, Essen, Germany.
• ¹¹ Rheumatology at Struenseehaus, Hamburg, Germany.
• ¹² Rheumazentrum Ruhrgebiet, Ruhr University Bochum, Herne, Germany.
• ¹³ Clinic and Polyclinic for Internal Medicine I, University Hospital Regensburg, Regenburg, Germany.
• ¹⁴ Clinic and Polyclinic for Rheumatology/Clinical Immunology, Asklepios Klinikum Bad Abbach, Bad Abbach, Germany.
• ¹⁵ Department of Gastroenterology, Infectiology and Rheumatology (including Nutrition Medicine) , Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany.