Affiliations

• ¹ Division of Evidence Based Medicine, Department of Dermatology, Charité - Universitätsmedizin Berlin, Berlin, Germany.
• ² Section of Dermatology and Venereology, Department of Medicine, University of Verona, Verona, Italy.
• ³ Department of Dermatology, Aberdeen Royal Infirmary, Aberdeen, UK.
• ⁴ Service de Dermatologie, Hôpital Ambroise Paré Université Paris V, Boulogne, France.
• ⁵ Clinical Lead for Dermatology, St Johns Institute of Dermatology, St Thomas' Hospital, London, UK.
• ⁶ Department of Dermatology, Academic Medical Center, Amsterdam, The Netherlands.
• ⁷ Third Faculty of Medicine, Department of Dermatology, Charles University, Prague, Czech Republic.
• ⁸ Department of Dermatology, Hôpital Saint-Louis, Paris, France.
• ⁹ St. Johns Institute of Dermatology, St. Thomas' Hospital, London, UK.
• ¹⁰ Hospital Universitario de la Princesa, Madrid, Spain.
• ¹¹ University Medical Center Nijmegen St Radboud, Nijmegen, The Netherlands.
• ¹² Medizinische Klinik mit Schwerpunkt Rheumatologie u. klinische Immonologie, Charité - Universitätsmedizin Berlin, Berlin, Germany.
• ¹³ Cambridge, UK.
• ¹⁴ SZTE Borgyogyaszati Klinika, Szeged, Hungary.
• ¹⁵ Roma, Italy.
• ¹⁶ Department of Dermatology, Psoriasis-Center University Medical Center Schleswig Holstein, Kiel, Germany.
• ¹⁷ Waterloo, Canada.
• ¹⁸ Department of Dermatology, Paul Sabatier University, Toulouse, France.
• ¹⁹ Dermatologikum Hamburg, Hamburg, Germany.
• ²⁰ Section of Dermatology and Venereology, Department of Medicine, Karolinska Institutet, Karolinska University Hospital, Huddinge, Stockholm, Sweden.
• ²¹ Department of Dermatology, Erasmus University, Rotterdam, The Netherlands.
• ²² Department of Dermatology, University Hospital Nijmegen, Nijmegen, The Netherlands.
• ²³ Department of Dermatology, Inselspital, Universitätsklinik für Dermatologie, Bern, Switzerland.