[1] UNIV ROCHESTER, STRONG MEM HOSP, MED CTR, DEPT DIAGNOST RADIOL, ROCHESTER, NY 14642 USA
[2] UNIV ROCHESTER, STRONG MEM HOSP, MED CTR, DEPT CARDIOL, ROCHESTER, NY 14642 USA
[3] HARVARD UNIV, SCH MED, DEPT RADIOL, BOSTON, MA 02115 USA
[4] BRIGHAM & WOMENS HOSP, DEPT RADIOL, BOSTON, MA 02115 USA