1 NYU-Langone Medical Center, Department of Radiology, NYU Radiology Associates, 530 1st Avenue, New York, NY 10016. Electronic address: Alec.Megibow@nyumc.org.
2 Department of Radiology, Cleveland Clinic, Cleveland, Ohio.
3 Department of Radiology, University of Alabama at Birmingham, Birmingham, Alabama.
4 Department of Radiology, Johns Hopkins Hospital, Baltimore, Maryland.
5 Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts.
6 Department of Surgery, NYU-Langone Medical Center, New York, New York.
7 Gastrointestinal Unit, Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts; Gastroenterology, Mount Auburn Hospital, Cambridge, Massachusetts.
8 Department of Radiology and Institute for Technology Assessment, Massachusetts General Hospital, Boston, Massachusetts.