1. AGL & Associates; 213 du Grand-Hunier; Saint-Augustin-de-Desmaures; Quebec; G3A 2J2; Canada
2. Faculty of Business Administration; Laval University; Quebec; G1K 7P4; Canada
3. Decision Aid Research Group; School of Commerce and Administration, Faculty of Management; Laurentian University; Sudbury; Ontario; P3E 2C6; Canada