1. Institut de Biologie et Chimie des Protéines, UMR 5086 Centre National de la Recherche Scientifique, University Lyon 1, IFR 128 Biosciences Lyon-Gerland, 7 passage du Vercors 69367 Lyon Cedex 07, France
2. Wellcome Trust Centre for Cell-Matrix Research, Faculty of Life Sciences, University of Manchester, Michael Smith Building, Oxford Road, Manchester M13 9PT, U.K.
3. Inserm U833 Collège de France, 11 place Marcelin Berthelot, 75005 Paris, France
4. UPSP 2007–03–135, Réparation Tissulaire, Interactions Biologiques et Biomatériaux, Institut des Sciences Pharmaceutiques et Biologiques, University Lyon 1, 8 avenue Rockefeller, 69373 Lyon Cedex 08, France
5. Department of Developmental Biology, Harvard School of Dental Medicine and Department of Cell Biology, Harvard Medical School, 188 Longwood Avenue, Boston, MA 02115, U.S.A.