[1] Tristate Imaging Med Grp Inc, Cincinnati, OH USA
[2] Geisinger Wyoming Valley Med Ctr, Wilkes Barre, PA USA
[3] Imaginostics Inc, Cambridge, MA USA
[4] Kaiser Permanente, Dept Med, Oakland, CA USA
[5] Brigham & Womens Hosp, Dept Radiol, 75 Francis St, Boston, MA 02115 USA
[6] Brigham & Womens Hosp, Div Cardiol, Boston, MA 02115 USA
[7] Brigham & Womens Hosp, Div Renal Med, 75 Francis St, Boston, MA 02115 USA