1. Institute of Biomedicine, Physiology, University of Kuopio, Kuopio, Finland.
2. Institute of Clinical Medicine, Surgery, Kuopio University Hospital, Kupio, Finland.
3. Division of Vascular Surgery, Department of Surgery, Tampere University Hospital, Tampere, Finland.
4. Laboratory of Molecular Medicine, Department of Surgery, Davis Heart and Lung Research Institute, The Ohio State University Medical Center, Columbus, Ohio.
5. Institute of Clinical Medicine, Ophthalmology, University of Kuopio, Kuopio, Finland.