title: Annual or biennial lung cancer CT screening?
authors.affiliation: Dr Rosell Oncology Institute, University Hospital Sagrat Cor, Barcelona, Spain.
authors.forename: Niki
authors.initials: N
authors.lastname: Karachaliou
authors.affiliation: Dr Rosell Oncology Institute, University Hospital Sagrat Cor, Barcelona, Spain.
authors.forename: Aaron E
authors.initials: AE
authors.lastname: Sosa
authors.affiliation: Germans Trias i Pujol Health Sciences Institute and Hospital, Badalona, Spain;; Catalan Institute of Oncology, Hospital Germans Trias i Pujol, Badalona, Spain.
authors.forename: Rafael
authors.initials: R
authors.lastname: Rosell