title: Reply to: Vitamin insufficiencies/deficiencies in relation to sickle cell disease severity and associated morbidity.
authors.affiliation: Faculty of Medicine, University of Ottawa, Ontario, Canada.
authors.forename: David J
authors.initials: DJ
authors.lastname: Martyres
authors.affiliation: Faculty of Medicine, University of Toronto, Ontario, Canada.
authors.forename: Abi
authors.initials: A
authors.lastname: Vijenthira
authors.affiliation: Clinical Research Unit, The Children's Hospital of Eastern Ontario, Ontario, Canada.
authors.forename: Nick
authors.initials: N
authors.lastname: Barrowman
authors.affiliation: Division of Hematology/Oncology, The Children's Hospital of Eastern Ontario, Ontario, Canada.
authors.forename: Sydney
authors.initials: S
authors.lastname: Harris-Janz
authors.affiliation: Division of Hematology/Oncology, The Children's Hospital of Eastern Ontario, Ontario, Canada.
authors.forename: Christine
authors.initials: C
authors.lastname: Chretien
authors.affiliation: Division of Hematology/Oncology, The Children's Hospital of Eastern Ontario, Ontario, Canada. rklaassen@cheo.on.ca.
authors.forename: Robert J
authors.initials: RJ
authors.lastname: Klaassen
mesh_terms: D000755:Anemia, Sickle Cell; D006801:Humans; D009017:Morbidity; D014815:Vitamins
chemical_list: D014815:Vitamins