1. Molecular Biotechnology and Gene Therapy, Paul-Ehrlich-Institut, Langen, Germany;
2. Tytgat Institute for Liver and Intestinal Research, Amsterdam, The Netherlands;
3. Gastroenterology, Hepatology, and Endocrinology, Hannover Medical School, and Twincore Institute for Experimental and Clinical Infection Research, Hannover, Germany;
4. Institute of Pharmacy and Molecular Biotechnology, University of Heidelberg, Heidelberg, Germany;
5. Department of Cardiac, Thoracic, Transplantation, and Vascular Surgery, Hannover Medical School, Hannover, Germany;
6. Institute of Cell Biology and Immunology, University of Stuttgart, Stuttgart, Germany; and
7. Institute for Transfusion Medicine and Immunohematology, Goethe University, Frankfurt, Germany