title: Response to Tkachuk and colleagues.
authors.affiliation: Fraser Health Authority, Surrey, British Columbia, Canada.
authors.forename: Fabio
authors.initials: F
authors.lastname: Feldman
authors.forename: Crystal
authors.initials: C
authors.lastname: Moore
authors.forename: Liz
authors.initials: L
authors.lastname: da Silva
authors.forename: Gina
authors.initials: G
authors.lastname: Gaspard
authors.forename: Larry
authors.initials: L
authors.lastname: Gustafson
authors.forename: Sonia
authors.initials: S
authors.lastname: Singh
authors.forename: Susan I
authors.initials: SI
authors.lastname: Barr
authors.forename: David D
authors.initials: DD
authors.lastname: Kitts
authors.forename: Hope A
authors.initials: HA
authors.lastname: Weiler
authors.forename: Timothy J
authors.initials: TJ
authors.lastname: Green
mesh_terms: D005260:Female; D006707:Homes for the Aged; D006801:Humans; D008297:Male; D014807:Vitamin D / Q000031:analogs & derivatives*; D014808:Vitamin D Deficiency / Q000188:drug therapy*; D014815:Vitamins / Q000008:administration & dosage*
chemical_list: D014815:Vitamins; D014807:Vitamin D