Linda C Kelahan1, Allan Fong2, Raj M Ratwani3, Ross W Filice4. 1. Department of Radiology, MedStar Georgetown University Hospital, Washington, District of Columbia. Electronic address: linda.c.kelahan@gunet.georgetown.edu. 2. National Center for Human Factors in Healthcare, MedStar Health, Washington, District of Columbia. 3. National Center for Human Factors in Healthcare, MedStar Health, Washington, District of Columbia; Georgetown University School of Medicine, Washington, District of Columbia. 4. Department of Radiology, MedStar Georgetown University Hospital, Washington, District of Columbia; Imaging Informatics, MedStar Medical Group Radiology, Washington, District of Columbia.