title: BCG vaccination and allergy: a systematic review and meta-analysis.
authors.affiliation: Allergy & Respiratory Research Group, Centre for Population Health Sciences, University of Edinburgh, Edinburgh, United Kingdom.
authors.forename: Denise L
authors.initials: DL
authors.lastname: Arnoldussen
authors.forename: Mary
authors.initials: M
authors.lastname: Linehan
authors.forename: Aziz
authors.initials: A
authors.lastname: Sheikh