1. Department of Pulmonology and Thoracic Surgery, Institut Universitaire de Cardiologie et de Pneumologie de Québec , QC, Canada
2. Department of Thoracic Surgery, Centre Hospitalier Affilié Universitaire Régional, Université de Montreal , Trois-Rivières, QC, Canada
3. Department of Pathology, Institut Universitaire de Cardiologie et de Pneumologie de Québec , QC, Canada
4. Division of Thoracic and Cardiac Surgery, Brigham and Women’s Hospital , Boston, MA, USA