[1] Northeastern Ohio Med Univ, Dept Radiol, Rootstown, OH USA
[2] Radiol Consultants Inc, Youngstown, OH USA
[3] Kawasaki Med Sch, Dept Gen Surg, Okayama, Japan
[4] Breast Ctr, F-13100 Aix En Provence, France
[5] Univ London Imperial Coll Sci Technol & Med, Dept Imaging, London, England
[6] Kings Coll London, Dept Imaging, London, England
[7] Franziskus Hosp Bielefeld, Dept Gynecol & Obstet, Bielefeld, Germany
[8] Univ Hosp Schleswig Holstein Campus Kiel, Dept Breast Imaging & Intervent, Kiel, Germany
[9] Inst Canc Res & Royal Marsden NHS Fdn Trust, Joint Dept Phys, Sutton, Surrey, England
[10] Royal Marsden NHS Fdn Trust, Sutton, Surrey, England
[11] Univ Paris 07, Hop Beaujon, AP HP, INSERM U CRB3 773,Serv Hepatol, Clichy, France
[12] Seoul Natl Univ Hosp, Dept Radiol, Seoul 110744, South Korea
[13] Vet Gen Hosp, Dept Radiol, Taipei, Taiwan
[14] Natl Yang Ming Univ, Sch Med, Taipei 112, Taiwan
[15] Caritas Krankenhaus Bad Mergentheim, Med Klin 2, Bad Mergentheim, Germany
[16] Fudan Univ, Zhongshan Hosp, Dept Ultrasound, Shanghai, Peoples R China
[17] Univ Pavia, Fdn IRCCS Policlin San Matteo, Dept Infect Dis, Ultrasound Unit, I-27100 Pavia, Italy
[18] JW Goethe Univ Hosp, Dept Internal Med 1, D-60590 Frankfurt, Germany
[19] Univ Wisconsin, Dept Med Phys, Madison, WI 53706 USA
[20] Duke Univ, Dept Biomed Engn, Durham, NC 27706 USA
[21] Kyoto Univ, Grad Sch Med, Dept Human Hlth Sci, Kyoto, Japan
[22] Fukushima Med Univ, Sch Med, Dept Thyroid & Endocrinol, Fukushima, Japan
[23] Univ Med & Farm Timisoara, Dept Gastroenterol & Hepatol, Timisoara, Romania
[24] Univ Calgary, Foothills Med Ctr, Dept Diagnost Imaging, Calgary, AB, Canada
[25] Kinki Univ, Sch Med, Dept Gastroenterol & Hepatol, Osaka, Osaka 589, Japan