1. Oulu Center for Cell-Matrix Research, Faculty of Biochemistry and Molecular Medicine, and Biocenter Oulu, Aapistie 5A, FI-90014 Oulu, Finland
2. Translational Cancer Biology Program, Research Programs Unit, University of Helsinki, and Wihuri Research Institute, Biomedicum Helsinki, Haartmaninkatu 8, P.O.B. 63, FI-00014 University of Helsinki, Finland