1. Department of Internal Medicine III, Jena University Hospital—Friedrich Schiller University Jena , Jena, Germany
2. Department of Rheumatology, Immunology, Osteology and Physical Medicine, Campus Kerckhoff, Justus-Liebig University Gießen , Bad Nauheim, Germany
3. Department Internal Medicine 5, Division of Rheumatology, Klinikum Nuremberg, Paracelsus Medical University , Nuremberg, Germany
4. BioControl Jena GmbH , Jena, Germany
5. Department Internal Medicine 5, Hemato-Oncology, Klinikum Nuremberg, Paracelsus Medical University , Nuremberg, Germany
6. Department of Internal Medicine 3, Rheumatology and Immunology, University Hospital Erlangen , Erlangen, Germany
7. Deutsches Zentrum Immuntherapie, Universitätsklinikum Erlangen und Friedrich-Alexander Universität Erlangen Nürnberg , Erlangen, Germany