[1] Harvard Med Sch, Brigham & Womens Hosp, Dept Radiol, 75 Francis St, Boston, MA 02115 USA
[2] Harvard Med Sch, Brigham & Womens Hosp, Dept Radiol, Ctr Evidence Based Imaging, 75 Francis St, Boston, MA 02115 USA
[3] Harvard Med Sch, Brigham & Womens Hosp, Dept Med, Boston, MA 02115 USA