1. Department of Oncology, Helsinki University Central Hospital, Helsinki, Finland;
2. Department of Oncology at Clinicum, University of Helsinki, Helsinki, Finland;
3. Department of Oncology, Kuopio University Central Hospital, Helsinki, Finland;
4. Medical Bioinformatics Centre, Turku Centre for Biotechnology, University of Turku and Åbo Akademi University, Turku, Finland;
5. Department of Oncology, Tampere University Hospital, Tampere, Finland;
6. Faculty of Medicine and Life Sciences, Tampere University, Tampere, Finland