Mäkelä, Tomi P.; Hellsten, Elina; Vesa, Jouni; Alitalo, Kari; Peltonen, Leena; Mäkelä Tomi P.; Cancer Biology Laboratory, Departments of Virology and Pathology, University of Helsinki; Hellsten Elina; Laboratory of Molecular Genetics, National Public Health Institute, 00300 Helsinki; Vesa Jouni; Laboratory of Molecular Genetics, National Public Health Institute, 00300 Helsinki; Alitalo Kari; Cancer Biology Laboratory, Departments of Virology and Pathology, University of Helsinki; Peltonen Leena; Laboratory of Molecular Genetics, National Public Health Institute, 00300 Helsinki