1. Department of Dermatology, Venereology and Allergology University Medical Center Göttingen Göttingen Germany
2. Institute of Medical Microbiology and Virology University Medical Center Göttingen Göttingen Germany
3. Lower Saxony Institute of Occupational Dermatology University Medical Center Göttingen Göttingen Germany
4. Institute for Clinical Chemistry University Medical Center Göttingen Göttingen Germany
5. Department of Dermatology University of Münster Münster Germany
6. Department of Hematology and Medical Oncology University Medical Center Göttingen Göttingen Germany
7. Division Vascular Signaling and Cancer German Cancer Research Center (DKFZ) Heidelberg Germany
8. Department of Medical Statistics University Medical Center Göttingen Göttingen Germany
9. Institute of Medical Microbiology and Hospital Hygiene Medical Faculty Otto‐von‐Guericke University Magdeburg Magdeburg Germany