1. CREPEC Department of Chemical Engineering; École Polytechnique de Montréal; PO Box 6079, Station Centre-Ville Montréal Québec Canada H3C 3A7
2. Department of Microbiology, Infection and Immunology, Pavillon Roger-Gaudry; Université de Montréal; C.P. 6128, Centre-ville Montréal Québec Canada H3C 3 J7
3. Department of Food Science, Faculty of Agriculture and Food Sciences; University of Manitoba; 248 Ellis Building Winnipeg MB R3T 2 N2 Canada