1. Translational Research in Inflammatory Skin Diseases, Institute for Health Services Research in Dermatology and Nursing University Medical Center Hamburg-Eppendorf Hamburg Germany
2. Rheumazentrum Ruhrgebiet Herne Ruhr-University Bochum Bochum Germany
3. Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences University of Oxford Oxford UK
4. Department of Dermatology University of Alabama Birmingham AL USA
5. Novartis Pharmaceuticals Corporation East Hanover NJ USA
6. Novartis Pharma AG Basel Switzerland
7. Department of Dermatology Icahn School of Medicine at Mount Sinai New York NY USA