1. Department I of Internal Medicine Faculty of Medicine and University Hospital of Cologne Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf (CIO ABCD) University of Cologne Cologne Germany
2. Cologne Lymphoma Working Group Cologne Germany
3. Center for Cancer Cell Therapy Stanford Cancer Institute Stanford California USA
4. Institute of Neuropathology Faculty of Medicine and University Hospital Cologne University of Cologne Cologne Germany
5. Department of Hematology and Stem Cell Transplantation West German Cancer Center University Hospital Essen University of Duisburg‐Essen Essen Germany
6. Cancer Center Cologne Essen (CCCE) Cologne and Essen Germany