1. School of Biological Sciences, Royal Holloway-University of London, Egham, Surrey TW20 0EX, United Kingdom.
2. Department of Translational Oncology, German Cancer Research Center, National Center for Tumor Diseases, 69120 Heidelberg, Germany.
3. Department of Radiation Oncology, Universitätsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany.
4. Genetics Centre, Guy's and St. Thomas' Hospital NHS Foundation Trust, London SE1 9RT, United Kingdom.
5. Institute of Experimental Haematology, Hannover Medical School, 30625 Hannover, Germany.