[1] Univ Pavia, Dept Clin Surg Diagnost & Pediat Sci, Med Sch, Pavia, Italy
[2] Northeastern Ohio Med Univ, Rootstown, OH USA
[3] Univ Hosp Schleswig Holstein, Dept Gynecol & Obstet, Campus Kiel, Kiel, Germany
[4] Paula Stradins Clin Univ Hosp, Diagnost Radiol Inst, Riga, Latvia
[5] Huazhong Univ Sci & Technol, Sino German Tongji Caritas Res Ctr Ultrasound Med, Dept Med Ultrasound, Tongji Hosp,Tongji Med Coll, Wuhan, Peoples R China
[6] Fudan Univ, Zhongshan Hosp, Dept Ultrasound, Shanghai, Peoples R China
[7] Hop Antoine Beclere, Hop Paris Saclay, AP HP, Serv Radiol, Clamart, France
[8] Univ Paris Saclay, Le Kremlin Bicetre, France
[9] Sapienza Univ Rome, Dept Radiol Oncol Anatomo Pathol, Rome, Italy
[10] Univ Verona, Univ Hosp GB Rossi, Dept Radiol, Verona, Italy
[11] Royal Free Hosp, Sheila Sherlock Liver Unit, London, England
[12] Royal Free Hosp, UCL Inst Liver & Digest Hlth, London, England
[13] Azienda Osped Univ Careggi, SOD Med Interna Epatol, Florence, Italy
[14] Wakayama Med Univ, Dept Internal Med 2, Wakayama, Japan
[15] Univ Washington, Dept Radiol, Seattle, WA 98195 USA
[16] Iuliu Hatieganu Univ Med & Pharm, Internal Med Dept 2, Cluj Napoca, Romania
[17] Kliniken Hirslanden Beau Site, Dept Allgemeine Innere Med DAIM, Bern, Switzerland