1. Division of Anatomy and Cell Biology, Department of Biomedicine, University of Oulu, Oulu, Finland.
2. Division of Surgery, Department of Surgery and Intensive Care, Institute of Clinical Medicine, University of Oulu and Clinical Research Centre, Oulu University Hospital, Oulu, Finland.
3. Department of Biotechnology and Chemical Technology, Helsinki University of Technology, Helsinki, Finland.
4. Department of Medical Biochemistry and Molecular Biology, University of Oulu, Oulu, Finland.
5. Finnish Red Cross Blood Service, Helsinki, Finland.
6. Department of Business Technology, Helsinki School of Economics, Helsinki, Finland.