[1] Vanderbilt Univ, Dept Radiol & Radiol Sci, Nashville, TN 37232 USA
[2] Univ Toronto, Dept Med Imaging, Toronto, ON, Canada
[3] Univ Toronto, Inst Hlth Policy Management & Evaluat, Toronto, ON, Canada
[4] Univ Calif San Francisco, Dept Radiol & Biomed Imaging, San Francisco, CA 94143 USA
[5] SUNY Upstate Med Univ, Dept Radiol, Syracuse, NY 13210 USA
[6] Vanderbilt Univ, Inst Imaging Sci, Nashville, TN 37232 USA
[7] NYU, Dept Radiol, Langone Med Ctr, New York, NY 10016 USA
[8] Henry Ford Hosp, Abdominal & Cross Sect Intervent Radiol, Detroit, MI 48202 USA
[9] Mayo Clin, Div Radiol Informat, Rochester, MN USA
[10] Univ Texas MD Anderson Canc Ctr, Dept Abdominal Imaging, Houston, TX 77030 USA
[11] Wake Forest Sch Med, Dept Radiol, Winston Salem, NC USA
[12] Johns Hopkins Sch Med, Russell H Morgan Dept Radiol & Radiol Sci, Baltimore, MD USA
[13] Johns Hopkins Univ, Dept Hlth Policy & Management, Johns Hopkins Bloomberg Sch Publ Hlth, Baltimore, MD 21218 USA