1 Department of Radiology, University of California Davis, 4860 Y Street, Suite 3100, Sacramento, CA 95817, USA. Electronic address: rdbadawi@ucdavis.edu.
2 Department of Radiology, University of Pennsylvania, 3620 Hamilton Walk, John Morgan Building - Room #154, Philadelphia, PA 19104-6112, USA. Electronic address: joelkarp@pennmedicine.upenn.edu.
3 Department of Radiology, University of California Davis, 4860 Y Street, Suite 3100, Sacramento, CA 95817, USA. Electronic address: lnardo@ucdavis.edu.
4 Department of Radiology, University of Pennsylvania, 3400 Spruce Street, 1 Silverstein, Suite 130, Philadelphia, PA 19104, USA. Electronic address: austin.pantel@pennmedicine.upenn.edu.