Department of Anesthesiology and Intensive Care Medicine (CCM/CVK), Charité, Universitätsmedizin Berlin, corporate member of Freie Universität Berlin wand Humboldt Universität Zu BerlinGermany
Institute for Clinical Ultrasound (BICUS), Brandenburg Medical School Theodor FontaneGermany
Department of Internal Medicine II – Gastroenterology and Hepatology, Center of Advanced Research in Gastroenterology and Hepatology, “Victor Babeș”, University of Medicine and Pharmacy TimișoaraRomania