1. Barts Thorax Centre, St Bartholomew’s Hospital, London, UK
2. Department of Thoracic Surgery, University Hospital Zurich, Zurich, Switzerland
3. Division of Thoracic Surgery, Brigham and Women’s Hospital/Harvard Medical School, Boston, MA, USA
4. Department of Thoracic and Vascular Surgery, Antwerp University Hospital/Antwerp University, Antwerp, Belgium
5. Department of Thoracic Surgery, Azienda Ospedaliera San Camillo Forlanini, Rome, Italy
6. Department of Surgery, Duke University Medical Center, Durham, NC, USA
7. Memorial Sloan Kettering Cancer Center, New York, NY, USA
8. Division of Thoracic Surgery, Department of Surgery, University of Toronto, Toronto General Hospital, Toronto, ON, Canada
9. Division of Thoracic Surgery, Department of Immunology, University of Toronto, Toronto General Hospital, Toronto, ON, Canada