title: The author replies.
authors.affiliation: Pediatrics and Critical Care Medicine, McMaster Children's Hospital, McMaster University, Hamilton, ON, Canada.
authors.forename: Karen
authors.initials: K
authors.lastname: Choong
mesh_terms: D003422:Critical Care / Q000379:methods*; D016638:Critical Illness / Q000534:rehabilitation*; D004434:Early Ambulation / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D008297:Male