1. Department of Radiation Biology, Institute for Cancer Research, Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway
2. Immunopharmacology and Targeted Therapy Laboratory, Department of Experimental Therapeutics, M.D. Anderson Cancer Center, Houston, TX, USA
3. Current address: The Scripps Research Institute, Department of Chemistry, La Jolla, CA, USA
4. Department of Biochemistry, Institute for Cancer Research, Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway
5. Department of Pathology, Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway