1. Department of Psychiatry, Université de Montréal; Child Psychiatric Consultant, Hôpital Sainte-Justine, Montreal, Quebec.
2. Hôpital Hôtel-Dieu, Montreal, Quebec.
3. Department of Pediatrics, Université de Montréal; Chief of Pulmonology Section, Hôpital Sainte-Justine, Montreal, Quebec.