1. Ulf Lundahl´s Foundation, 10061 Stockholm, Sweden
2. Fox Chase Cancer Center, Philadelphia, PA 19111, USA
3. Department of Infectious Diseases, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, 41345 Gothenburg, Sweden
4. Institute of Medical Virology, National Reference Centre for Hepatitis B and D Viruses, Justus-Liebig-University Giessen, German Centre for Infection Research (DZIF), Giessen, Germany
5. Centre de Recherches en Cancérologie de Lyon, INSERM U1052, UMR CNRS 5286, Team Hepatocarcinogenesis and Viral Infection, Lyon, France
6. Institut National de la Transfusion Sanguine (INTS), CNRS-INSERM U1134, Paris, France