1. Innere Medizin 2, Caritas-Krankenhaus, Bad Mergentheim
2. Department of Mechanical and Manufacturing Engineering, University of Cyprus
3. Service de Radiologie adultes, Hôpital Necker, 149 rue de Sèvres, Université Paris Descartes
4. Imaging Department, Institut Gustave Roussy
5. Imaging Department, Imperial College London
6. Dept of Internal Medicine and Gastroenterology, Div. Internal Medicine, Bologna