1. Institut de Pharmacologie et de Biologie Structurale, CNRS-Université Paul Sabatier Toulouse III, UMR 5089, 205 Route de Narbonne, 31077 Toulouse cedex, France
2. Leibniz Institute for Age Research – Fritz Lipman Institute, Beutenbergstrasse 11, D-07745 Jena, Germany
3. Department of Biochemistry, PO Box 3000, FI-90014 University of Oulu, Finland
4. Institute of Veterinary Biochemistry and Molecular Biology, University of Zürich-Irchel, CH-8057, Zürich, Switzerland
5. Department of Biology, University of Eastern Finland, P.O. Box 111, FI-80101 Joensuu, Finland