title: Reply.
authors.affiliation: Department of Pediatrics Division of Pediatric Emergency Medicine Hamad Medical Corporation Doha, Qatar; Department of Pediatrics Division of Pediatric Emergency Medicine Sidra Medical and Research Centre Doha, Qatar; Weill Cornell Medical College in Qatar Doha, Qatar.
authors.forename: A Khalid
authors.initials: AK
authors.lastname: Alansari
authors.affiliation: Pulmonary-Critical Care Medicine Division University of Washington School of Medicine Seattle, Washington.
authors.forename: B Bruce L
authors.initials: BBL
authors.lastname: Davidson