1 Institute of Human Genetics, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen.
2 Division of Rheumatology and IME, Fraunhofer Project Group Translational Medicine and Pharmacology, Goethe University, Frankfurt am Main.
3 Department of Dermatology, University Hospital Erlangen.
4 Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-Universität Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen.
5 Department of Dermatology, Georg-August-University Göttingen, Göttingen.
6 Department of Rheumatology, Fachklinik Bad Bentheim, Bad Bentheim.
7 Department of Dermatology, University of Münster, Münster.
8 Department of Internal Medicine I, José-Carreras Centrum for Immuno- and Gene Therapy, University of Saarland Medical School, Homburg/Saar, Germany.
9 Division of Medical Inflammation Research, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden.