1. Department of Dermatology, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany
2. Zotz Klimas, MVZ Düsseldorf, 40210 Düsseldorf, Germany
3. Department of Hygiene and Environmental Medicine, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany
4. Department of Hematology and Stem Cell Transplantation, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany
5. Institute for Transfusion Medicine, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany
6. Institute for Translational HIV Research, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany