Affiliation: | 1. Department of Dermatology, Christian‐Albrechts‐University Kiel, Kiel, Germany;2. Medical Department 3, Hematology, Oncology and Palliative Care Section, University Rostock, Rostock, Germany;3. Department of Pathology, Hematopathology Section, Christian‐Albrechts‐University Kiel, Kiel, Germany |