| Affiliation: | 1. Institute of Clinical Microbiology and Hospital Hygiene, University Hospital Erlangen, University of Erlangen‐Nuremberg, Erlangen, Germany;2. Department of Biochemistry, Rush University Medical Center, Chicago, Illinois, USA;3. Department of Medicine III, Institute for Clinical Immunology and Rheumatology, University of Erlangen‐Nuremberg, Erlangen, Germany;4. Department of Internal Medicine, Rheumatology and Clinical Immunology, Charite Centre for Internal Medicine and Dermatology, Charite‐Universit?tsmedizin Berlin, Berlin, Germany;5. Division of Rheumatology and Immunology, Department of Medicine, Tawam Hospital, Al Ain, Abu Dhabi, UAE |
