Ramón Rami-Porta1, Peter Goldstraw2, Hisao Asamura3. 1. Department of Thoracic Surgery, Hospital Universitari Mútua Terrassa, University of Barcelona, Terrassa, Spain; Lung Cancer Group, Network of Centers for Biomedical Research in Respiratory Diseases (CIBERES), Terrassa, Spain. Electronic address: rramip@yahoo.es. 2. National Heart and Lung Institute, Imperial College London, London, United Kingdom; Department of Thoracic Surgery, Royal Brompton Hospital, London, United Kingdom. 3. Division of Thoracic Surgery, Keio University School of Medicine, Tokyo, Japan.