1. Department of Internal Medicine 3, Rheumatology and Immunology, University of Erlangen-Nuremberg, Erlangen 91054, Germany.
2. Global Health Institute, Ecole Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland.
3. Department of Rheumatology and Clinical Immunology, University of Freiburg, Freiburg 79085, Germany.
4. Department of Paediatrics, University of Erlangen-Nuremberg, Erlangen 91054, Germany.
5. Molecular Immunology, Robert Koch Institute, Berlin 13353, Germany.
6. Department of Dermatology, University of Erlangen-Nuremberg, Erlangen 91054, Germany.
7. Department of Molecular Biology, Université Libre de Bruxelles, Gosselies 6041, Belgium.
8. Bradley-Turner and Georgia Research Alliance Eminent Scholar in Molecular Immunogenetics, Georgia Regents University, Augusta, GA 30912, USA.
9. Institute of Osteology and Biomechanics, University Medical Center, Hamburg-Eppendorf, Hamburg 20246, Germany.