[1] Hirslanden Klin Beau Site, Hirslanden Klin Beau S, Bern, Switzerland
[2] Victor Babes Univ Med & Pharm Timisoara, Dept Internal Med Gastroenterol & Hepatol 2, Ctr Adv Res Gastroenterol & Hepatol, Timisoara, Romania
[3] Univ Hosp Brandenburg, Brandenburg Med Sch Theodor Fontane, Dept Hematol Oncol & Palliat Care, Brandenburg, Germany
[4] Univ South Carolina, Sch Med, Dept Med, Columbia, SC USA
[5] Charite Univ Med Berlin, Charite Universitatsmedizin Berlin, Berlin, Germany
[6] Shanghai Jiao Tong Univ, Dept Ultrasound, Xinhua Hosp, Sch Med, Shanghai, Peoples R China
[7] Inselgruppe, Inselgrp, Bern, Switzerland
[8] Justus Liebig Univ, Giessen, Germany
[9] Fiona Stanley Hosp, Emergency, Murdoch, Australia
[10] Witten Herdecke Univ, Med, Witten, Germany
[11] Beth Israel Deaconess Med Ctr, Emergency Med, Boston, MA USA
[12] Krankenhaus Mark Oderland Strausberg Wriezen, Klin Innere Med, Wriezen, Germany
[13] Univ Klin Dusseldorf, Clin Gastroenterol Hepatol & Infect Dis, Dusseldorf, Germany
[14] Univ Leipzig, Dept Internal Med, Div Gastroenterol, Med Ctr, Leipzig, Germany
[15] Med Hsch Brandenburg Theodor Fontane, Med, Neuruppin, Germany
[16] Hirslanden Hosp Grp, Dept Internal Med, Bern, Switzerland
[17] Policlin Helios Klin Buch, Outpatient Dept Gastroenterol, Policlin Helios Klinikum Buch, Berlin, Germany
[18] Sana Hosp Lichtenberg, Gastroenterol, Berlin, Germany
[19] Univ Hosp Bonn, Clin Internal Med 3, Dept Oncol Hematol Rheumatol & Clin Immunol, Bonn, Germany
[20] Brandenburg Med Sch Theodor Fontane, Dept Internal Med & Gastroenterol, Neuruppin, Germany
[21] Brandenburg Med Sch Theodor Fontane, Fac Hlth Sci Brandenburg, Neuruppin, Germany
[22] Ohio State Univ, Wexner Med Ctr, Emergency Med, Columbus, OH USA
[23] Med Univ Wien, Abt Allgemeine Radiol & Kinderradiol, Vienna, Austria
[24] Univ Klinikum Bonn, Universitatsklinikum Bonn, Bonn, Germany
[25] Tech Univ Dresden, Med, Dresden, Germany
[26] Otto von Guericke Univ, Med, Magdeburg, Germany
[27] Johannes Gutenberg Univ Mainz, Rudolf Frey Teaching Dept, Univ Med Ctr, Mainz, Germany
[28] Charles Sturt Univ, Sch Dent & Hlth Sci, Wagga Wagga, Australia
[29] CZMH Med Phys & Dosimetry Serv LTD, Limassol, Cyprus
[30] Hirslanden Klin Beau Site, Dept Gen Internal Med, Schanzlihalde 11, CH-3036 Bern, Switzerland