1. Department of Thoracic Surgery, Kaplan Medical Center, Faculty of Medicine, Hebrew University of Jerusalem, Rehovot, Israel.
2. Department of Radiology, Kaplan Medical Center, Rehovot, Israel.
3. Department of Thoracic Surgery, Soroka Medical Center, Faculty of Medicine, Ben Gurion University, Beer Sheva, Israel.
4. Department of Surgery, Kaplan Medical Center, Rehovot, Israel.