1. Institute of Medical Immunology, Martin-Luther University Halle-Wittenberg, Halle (Saale), Germany
2. Department of Dermatology, Universitätsklinikum Erlangen, Erlangen, Germany
3. Department of Rheumatology and Clinical Immunology, Medical Center – University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
4. Department of Dermatology, Universitätsklinikum Erlangen, Research Campus, Hartmannstraße 14, Erlangen, 91052, Germany