[1] Kliniken Hirslanden Beau Site Salem & Permanence, Salem, Switzerland
[2] Univ Bologna, Almamater Studiorum, Bologna, Italy
[3] IRCCS Azienda Osped Univ Bologna, Bologna, Italy
[4] Univ Bath, Bath, Avon, England
[5] Royal United Hosp NHS Trust, Bath, Avon, England
[6] Univ Leicester, Dept Cardiovasc Sci, Leicester, Leics, England
[7] Copenhagen Univ Hosp, Dept Radiol, Rigshosp, Copenhagen, Denmark
[8] Cardiff Univ, Sch Med, Cardiff, Wales
[9] Haukeland Hosp, Natl Ctr Ultrasound Gastroenterol, Bergen, Norway
[10] Univ Bergen, Dept Clin Med, Bergen, Norway
[11] Krankenhaus Markisch Oderland, Strausberg, Germany
[12] Med Univ Brandenburg, Brandenburg Inst Clin Ultrasound, Neuruppin, Germany
[13] Ctr Ultrasound & Prenatal Med, Frankfurt, Germany
[14] Zealand Univ Hosp, Dept Surg, Ctr Surg Ultrasound, Koge, Denmark
[15] Copenhagen Acad Med Educ & Simulat CAMES, Ctr Human Resources & Educ, Copenhagen, Denmark
[16] German Ultrasound Museum, Lennep, Germany
[17] Med Univ Brandenburg, Brandenburg Inst Clin Ultrasound, Neuruppin, Germany
[18] German Ultrasound Museum, Lennep, Germany
[19] Univ Med & Pharm Carol Davila Bucharest, Dept Gastroenterol Hepatol & Digest Endoscopy, Bucharest, Romania
[20] ELIAS Emergency Univ Hosp, Bucharest, Romania
[21] Copenhagen Univ Hosp, Dept Surg, GastroUnit, Copenhagen, Denmark
[22] Fudan Univ, Zhongshan Hosp, Dept Ultrasound, Shanghai, Peoples R China
[23] Royal Marsden Hosp, Inst Canc Res, London, England