Correction to: Effect on breastfeeding practices of providing in-home lactation support to vulnerable women through the Canada Prenatal Nutrition Program: protocol for a pre/post intervention study - Alison Mildon; Jane Francis; Stacia Stewart; Bronwyn Underhill; Yi Man Ng; Elle Richards; Christina Rousseau; Erica Di Ruggiero; Cindy-Lee Dennis; Deborah L. O'Connor; Daniel W. Sellen (BMC, 2021)