Dr. MacMillan is Associate Professor of Psychiatry and Behavioural Neurosciences, and of Pediatrics at the Canadian Centre for Studies of Children at Risk, McMaster University, Hamilton, Ont. Dr. John W. Feightner, Professor, Department of Family Medicine, University of Western Ontario, London, Ont.; Dr. Richard Goldbloom, Professor, Department of Pediatrics, Dalhousie University, Halifax, NS. Drs. R. Wayne Elford, Professor and Chair of Research, Department of Family Medicine, University of Calgary, Calgary, Alta.; Denice Feig, Assistant Professor, Department of Endocrinology, University of Toronto, Toronto, Ont.; Michel Labrecque, Professeur, Unité de médecine familiale, Université Laval, Rimouski, Qué.; Robin McLeod, Professor, Department of Surgery, Mount Sinai Hospital and University of Toronto, Toronto, Ont.; Harriet MacMillan, Associate Professor, Departments of Psychiatry and Behavioural Neurosciences and of Pediatrics, Canadian Centre for Studies of Children at Risk, McMaster University, Hamilton, Ont.; Jean-Marie Moutquin, Professeur titulaire et directeur, Département d'obstétrique-gynécologie, Université de Sherbrooke, Sherbrooke, Que.; Valerie Palda, Assistant Professor, Department of General Internal Medicine, University of Toronto, Toronto, Ont.; Christopher Patterson, Professor and Head, Division of Geriatric Medicine, Department of Medicine, McMaster University, Hamilton, Ont.; and Elaine E.L. Wang, Associate Professor, Departments of Pediatrics and Public Health Sciences, Faculty of Medicine, University of Toronto, Toronto, Ont. Nadine Wathen, Coordinator, and Tim Pauley, Research Assistant, Canadian Task Force on Preventive Health Care, Department of Family Medicine, University of Western Ontario, London, Ont.