Sophie Michaud* , Suzanne Ménard†, and Robert D. Arbeit‡
Author affiliations: *Faculté de Médecine de l’Université de Sherbrooke, Québec, Canada; †Régie Régionale de la Santé et des Services Sociaux de l’Estrie, Québec, Canada; ‡Boston University School of Medicine, Boston, Massachusetts, USA
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