1. Quebec Biomaterials Institute, 10 rue de l'Espinay, Quebec City, (Qc) G1L 3L5, Canada; Department of Materials Engineering, Laval University, Quebec City, (Qc), Canada G1K 7P4; Department of Chemistry, Laval University, Quebec City, (Qc), Canada, G1K 7P4; Institut Charles-Sadron, 6 rue Boussingault, 67083 Strasbourg CEDEX, France; and Department of Surgery, Laval University, Quebec City, (Qc) G1K 7P4, Canada