1. Section of Thoracic Surgery, Department of General Surgery & Medical Specialities, University of Catania, Policlinico Hospital, Catania, Italy
2. Department of Thoracic Surgery, Acibadem University, Istanbul, Turkey
3. Department of Thoracic Surgery, Barcelona University, Barcelona, Spain
4. Department of Thoracic Surgery, UZ Gasthuisberg, Leuven, Belgium
5. Department of Thoracic Surgery, Otto Wagner Hospital, Vienna, Austria
6. Department of Thoracic Surgery, University of Padua, Padua, Italy
7. Thoracic Surgery, Saint Barnabas Medical Center, Livingston, NJ, USA