title: Invited commentary.
authors.affiliation: Toronto General Hospital, 200 Elizabeth St, 9N-949, Toronto, Ontario, Canada M5G 2C4. Electronic address: tom.waddell@uhn.on.ca.
authors.forename: Thomas K
authors.initials: TK
authors.lastname: Waddell
mesh_terms: D005260:Female; D006801:Humans; D016040:Lung Transplantation / Q000379:methods* / Q000401:mortality*; D008297:Male; D014019:Tissue Donors; D066027:Transplant Recipients