1. Division of Gastroenterology, Infectious Diseases and Rheumatology, Charité-Universitätsmedizin Berlin
2. Epidemiology Unit, German Rheumatism Research Centre, Berlin, Germany
3. Department of Internal Medicine, Division of Rheumatology, Izmir Katip Celebi University, Izmir, Turkey
4. Servicio de Reumatología, Hospital Universitario Infanta Sofía, Universidad Europea, Madrid, Spain
5. Global Medical Affairs Rheumatology, AbbVie Inc., Ljubljana, Slovenia
6. Global Medical Affairs, AbbVie Inc., Baar, Switzerland
7. Schroeder Arthritis Institute, University Health Network, University of Toronto, Toronto, ON, Canada