title: Case 1: Recurrent pneumonia in a 24-month-old boy.
authors.affiliation: Montreal Children's Hospital.
authors.forename: Olivier
authors.initials: O
authors.lastname: Drouin
authors.affiliation: Hopital de Montréal pour enfants Montréal.
authors.forename: Aurore
authors.initials: A
authors.lastname: Côté
authors.affiliation: Centre hospitalier de Val-d'Or Val-d'Or, Quebec.
authors.forename: Suzanne
authors.initials: S
authors.lastname: Malaab