After completing an internship in Pediatrics at the Montreal Children's Hospital (1970–1971), he pursued postgraduate training in medical genetics and folate metabolism at the Massachusetts General Hospital under the supervision of John Littlefield and .
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In 1995 he was made a Correspondant étranger of the Académie Nationale de Médecine (France), and in 2005, he was elected as a Fellow of the Canadian Academy of Health Sciences.
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