1. Clinic for Stem Cell Transplantation, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
2. George E. Wahlen Veterans Affairs Medical Center, University of Utah, Section of Nephrology (111 N), Salt Lake City, Utah.
3. Department of Veterinary Pathology, Free University Berlin, Faculty of Veterinary Medicine, Berlin, Germany.
4. Department of Cardiology, Asklepios Clinic St. Georg, Hamburg, Germany.
5. Institute for Osteopathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.