1. Faculties of Dentistry and Medicine, McGill University, Montreal, Quebec H3A 2B4
2. Biotechnology Research Institute, National Research Council of Canada, Montreal, Quebec H4P 2R2
3. Departément de Chimie-Biologie, Université du Quebec à Trois-Rivieres, Quebec G9A 5H7
4. INRS-Institut Armand Frappier, Pointe Claire, Quebec H9R 1G6
5. INRS-Institut Armand Frappier, Laval, Quebec H7V 1B7, Canada