1. Department of Molecular Cell Biology, Institute for Cancer Research, the Norwegian Radium Hospital, Montebello, N-0379 Oslo, Norway
2. Centre for Cancer Cell Reprogramming, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
3. The Department of Biosciences, Faculty of Mathematics and Natural Sciences, University of Oslo, 0371, Norway
4. Department of Medical Biochemistry, Oslo University Hospital, Oslo, Norway
5. Department of Microbiology, Oslo University Hospital, Oslo, Norway