1. Department of Hematology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands;
2. Center for Infectious Medicine, Department of Medicine and
3. Department of Dental Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, Stockholm, Sweden;
4. Tytgat Institute for Liver and Intestinal Research and
5. Department of Cell Biology and Histology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands;
6. Institute for Cancer Research, Oslo University Hospital, Oslo, Norway; and
7. Institute of Clinical Medicine, University of Oslo, Oslo, Norway