1. Department of Internal Medicine 5–Hematology/Oncology, University Hospital Erlangen, 91054 Erlangen, Germany.
2. Department of Nephropathology, Institute of Pathology, University Hospital Erlangen, 91054 Erlangen, Germany.
3. Department of Dermatology and Center for Molecular Medicine, University of Cologne, 50937 Cologne, Germany.
4. Medizinische Klinik I, Saarland University Medical School, 66424 Homburg/Saar, Germany.
5. Department of Internal Medicine 3, University Hospital Erlangen, 91054 Erlangen, Germany.
6. Department of Oncology, Hematology and Stem Cell Transplantation, RWTH Medical School, 52074 Aachen, Germany.
7. Department of Gene Vectors, Helmholtz Center Munich, German Research Center for Environmental Health, 85764 Munich, Germany.