Comorbidity in elderly NSCLC patients: Authors’ replyJanssen-Heijnen, M L GCoebergh, J W WAuthor informationEindhoven Cancer Registry, P O Box 231, 5600 AE Eindhoven, The Netherlands; [email protected]Thorax 60(8):p 704, August 2005.Copyright © 2005 BMJ Publishing Group Ltd & British Thoracic Society