1. Department of Stomatology, Faculty of Dentistry; Université de Montréal; P.O. Box 6128 Station Centre-Ville Montréal Québec Canada H3C 3J7
2. Faculty of Engineering; University of Ottawa; Colonel By Hall 161 Louis Pasteur Ottawa Ontario Canada K1N 6N5
3. Genetics Unit; Shriners Hospital for Children; 1529 Cedar Ave. Montréal Québec Canada H3G 1A6
4. Department of Human Genetics; McGill University, Stewart Biology Building; 1205 Dr. Penfield Ave. Montréal Québec Canada H3A 2T5
5. Department of Biochemistry and Molecular Medicine; Université de Montréal; Montréal Québec Canada