1. Institute for Molecular Medicine Finland (FIMM), HiLIFE, University of Helsinki, FI-00290 Helsinki, Finland
2. Helsinki Institute for Information Technology (HIIT), Department of Computer Science, Aalto University, FI-02150 Espoo, Finland
3. Institute for Cancer Research, Department of Cancer Genetics, Oslo University Hospital, N-0310 Oslo, Norway
4. Oslo Centre for Biostatistics and Epidemiology (OCBE), Faculty of Medicine, University of Oslo, N-0317 Oslo, Norway