[1] Massachusetts Gen Hosp, Ctr Ultrasound Res & Translat CURT, Dept Radiol, 101 Merrimac St, Boston, MA 02114 USA
[2] Mayo Clin, Breast Imaging Hosp & Emergency Radiol Div, Rochester, MN USA
[3] Univ Maryland, Body Abdominal Imaging Div, Med Ctr, Baltimore, MD USA
[4] Massachusetts Gen Hosp, Pediat Surg Serv MGfC, Boston, MA USA
[5] Oregon Hlth & Sci Univ, Dept Diagnost Radiol, Portland, OR USA
[6] Massachusetts Gen Hosp, Dept Radiol, Boston, MA USA
[7] Harvard Med Sch, Dept Radiol, Boston, MA USA