1. Department of Radiology, St Vincent's University Hospital and University College Dublin, Dublin, Ireland.
2. Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY.
3. Medical Imaging Department, Hospital Clinic Barcelona, Barcelona, Spain.
4. Department of Diagnostic Imaging, Oncological Radiotherapy and Hematology, Fondazione Policlinico Universitario A. Gemelli, Rome, Italy.
5. Department of Radiological and Hematological Sciences, Section of Radiology, Università Cattolica del Sacro Cuore, Rome, Italy.
6. Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA.
7. Chaim Sheba Medical Center, Ramat Gan, and Tel Aviv University, Tel Aviv, Israel.
8. Department of Thoracic Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX.
9. Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Ave, Boston, MA 02115.