1. Institute of Medical Immunology; Martin-Luther-University Halle-Wittenberg; Halle/Saale Germany
2. Division of Molecular Immunology; Nikolaus-Fiebiger Center; Department of Internal Medicine III; University of Erlangen-Nürnberg; Erlangen Germany
3. Deutsches Rheuma-Forschungszentrum (DRFZ); Berlin Germany