Dr. Marcel A. Behr McGill University Health Centre 1001 boul Décarie Glen Site Block E, Office #EM3.3212 Montréal, QC H4A 3J1 Canada
Paul Brassard Center for Clinical Epidemiology, Lady Davis Research Institute 3755 Chemin de la Côte St-Catherine, H-424 Montreal, QC, H3T 1E2 Tel 514 340 7563 Fax 514 340 7564