[1] Univ Cincinnati, Dept Radiol, Med Ctr, Cincinnati, OH 45221 USA
[2] Washington Univ, Mallinckrodt Inst Radiol, Sch Med, St Louis, MO USA
[3] King Faisal Specialist Hosp & Res Ctr, Riyadh, Saudi Arabia
[4] Univ Ottawa, Ottawa Hosp Res Inst, Dept Radiol, Ottawa, ON, Canada
[5] Boston Childrens Hosp, Boston, MA USA
[6] Thomas Jefferson Univ, Sidney Kimmel Med Coll, Philadelphia, PA 19107 USA
[7] Walter Reed Natl Mil Med Ctr, 3D Med Applicat Ctr, Washington, DC USA
[8] Mayo Clin, Dept Radiol, Rochester, MN USA
[9] Rady Childrens Hosp, San Diego, CA USA
[10] Intermountain Hlthcare, South Jordan, UT USA
[11] Montefiore Med Ctr, Dept Radiol, 111 E 210th St, Bronx, NY 10467 USA