1. Department of Internal Medicine III, Division of Rheumatology, Medical University Vienna , Vienna , Austria
2. Department of Laboratory Medicine, Medical University of Vienna , Vienna , Austria
3. Department of Clinical Pharmacology, Medical University of Vienna , Vienna , Austria
4. Center of Pathophysiology, Infectiology & Immunology, Institute of Specific Prophylaxis and Tropical Medicine, Medical University of Vienna , Vienna , Austria
5. Arbeiter-Samariter-Bund Wien , Vienna , Austria
6. Department of Physical Medicine, Rehabilitation and Occupational Medicine, Medical University Vienna , Vienna , Austria