1. Division of Social and Transcultural Psychiatry, Department of Psychiatry, McGill University, Institute of Community and Family Psychiatry, Sir Mortimer B. Davis-Jewish General Hospital, Montreal, Quebec.
2. Division of Social and Transcultural Psychiatry, Department of Psychiatry, McGill University; and Social Studies of Medicine, McGill University, Montreal, Quebec.
3. Department of Pediatrics, University of Arkansas for Medical Sciences, Arkansas Children's Hospital, Arkansas, Kansas.