[1] Debbie Katsarelis, Fairfax, VA 22033 USA
[2] British Columbia Childrens Hosp, Dept Radiol, Vancouver, BC V6H 3V4, Canada
[3] Vancouver Gen Hosp, Dept Radiol, Vancouver, BC V5Z 1M9, Canada
[4] Univ Toronto, Dept Med Imaging, Toronto, ON, Canada
[5] Hosp Sick Children, Ctr Image Guided Therapy, Toronto, ON M5G 1X8, Canada
[6] Vein Inst Toronto, Toronto, ON, Canada
[7] Scarborough Gen Hosp, Dept Diagnost Imaging, Scarborough, ON, Canada
[8] Ctr Hosp Univ St Justine, Dept Med Imaging, Montreal, PQ, Canada
[9] James Whitcomb Riley Hosp Children, Dept Radiol, Indianapolis, IN 46202 USA
[10] Boston Healthcare Syst Vet Affairs Med Ctr, Dept Radiol, Boston, MA USA
[11] Phoenix Childrens Hosp, Dept Radiol, Phoenix, AZ USA
[12] Childrens Hosp, Dept Radiol, Div Cardiovasc & Intervent Radiol, Pittsburgh, PA 15213 USA
[13] Geisinger Hlth Syst, Dept Intervent Radiol, Danville, PA USA
[14] Nationwide Childrens Hosp, Dept Radiol, Columbus, OH USA
[15] Univ Hosp, Dept Radiol, Cincinnati, OH USA
[16] Uniformed Serv Univ Hlth Sci, Dept Radiol & Radiol Sci, Bathesda, MD USA
[17] Natl Naval Med Ctr, Dept Radiol, Bethesda, MD USA
[18] Great Ormond St Hosp Sick Children, Dept Radiol, London, England
[19] Univ Calif San Diego, Med Ctr, Dept Radiol, San Diego, CA 92103 USA
[20] Univ Washington, Sch Med, Seattle, WA USA
[21] Seattle Childrens Hosp, Dept Radiol, Seattle, WA USA
[22] Seattle Radiologists, Seattle, WA USA
[23] Univ Texas MD Anderson Canc Ctr, Dept Intervent Radiol, Houston, TX 77030 USA
[24] Reading Hosp Med Ctr, Danville, PA USA