1. Brandenburg Medical University Theodor Fontane, Institute for Clinical
Ultrasound (BICUS) and Faculty of Health Sciences Brandenburg, Neuruppin,
Germany
2. Department of Internal Medicine – Gastroenterology, Diabetology
and Hepatology, Vivantes Hospital Neukölln, Berlin,
Germany
3. Department of Internal Medicine, Krankenhaus Märkisch Oderland,
Strausberg, Germany