1. A. I. Virtanen Institute for Molecular Sciences, Biocenter Kuopio; University of Eastern Finland; P.O. BOX 1627 70211 Kuopio Finland
2. INSERM, INSERM UMR-S 919, “Serine Proteases and Pathophysiology of the Neurovascular Unit”; University of Caen Basse-Normandie; GIP Cyceron, Bd H. Becquerel, BP 5229 14074 Caen Cedex France