1. CRBA-URA CNRS 1465, Faculté de pharmacie, Université de Montpellier I, Montpellier, France.
2. Laboratory of Experimental Surgery, Department of Surgery, Laval University, Quebec Biomaterials Institute,Centre de recherche, Pav. St-François d'Assise, CHUQ, Quebec City, Canada.
3. Polymer Science and Engineering, University of Massachusetts, Amherst, Massachusetts.