1. Department of Radiology, Beth Israel Deaconess Medical Center, 330 Brookline Avenue, Boston, MA 02215, USA
2. Radiology Associates of Hollywood, 9050 Pines Boulevard, Suite 200, Pembroke Pines, FL 33024, USA
3. Department of Pathology, Montefiore Medical Center and Albert Einstein College of Medicine, 1825 Eastchester Road, Bronx, NY 10461-2373, USA