title: Authors' reply.
authors.affiliation: Department of Pulmonary Diseases, Radboud University Medical Center, Nijmegen, The Netherlands.
authors.forename: Erik H F M
authors.initials: EH
authors.lastname: van der Heijden
authors.forename: Roberto F
authors.initials: RF
authors.lastname: Casal
authors.forename: Rocco
authors.initials: R
authors.lastname: Trisolini
mesh_terms: D001999:Bronchoscopy / Q000379:methods*; D061765:Endoscopic Ultrasound-Guided Fine Needle Aspiration / Q000379:methods*; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology*; D008297:Male; D025202:Molecular Diagnostic Techniques / Q000379:methods*; D017410:Practice Guidelines as Topic