title: Case 1: A long history of cough and dyspnea.
authors.affiliation: Department of Pediatrics, Children's Hospital, London Health Sciences Centre, University of Western Ontario, London, Ontario.
authors.forename: Dirk E
authors.initials: DE
authors.lastname: Bock
authors.forename: Bruno
authors.initials: B
authors.lastname: Knöpfli
authors.forename: Guido
authors.initials: G
authors.lastname: Filler