1. Division of Developmental Immunology, German Cancer Research Center, D-69120 Heidelberg, Germany
2. Division of Theoretical Bioinformatics, German Cancer Research Center, D-69120 Heidelberg, Germany
3. Department of Genetics, Saarland University, D-66041 Saarbrücken, Germany
4. Division of Molecular Biophysics, German Cancer Research Center, D-69120 Heidelberg, Germany
5. Division of Genetic Alterations in Carcinogenesis, German Cancer Research Center, D-69120 Heidelberg, Germany
6. Department of Medical Genetics, University of Helsinki, 00029 HUS, Helsinki, Finland