This article was originally published with an incorrect author affiliation. The affiliation of Mélanie Ruest was given as Institut national de santé publique du Québec, Montréal, Québec, Canada, H2P1E. This should have read Université du Québec à Trois–Rivières, Trois-Rivières, Québec, Canada, G8Z4M3.
This has now been corrected and the online article updated. The authors apologise for this error.