1. Diagnostic, Interventional and Pediatric Radiology, Inselspital, University Hospital, University of Bern, Switzerland
2. Radiology, University Hospitals Cleveland Medical Center and Case Western Reserve University, Cleveland, United States
3. Department of Diagnostic and Interventional Radiology, University Cologne, Faculty of Medicine and University Hospital Cologne, Germany
4. Nuclear Medicine, Inselspital University Hospital Bern, Switzerland
5. Akron Radiology Inc., Akron, United States
6. Department of General Surgery, Cleveland Clinic Foundation, Hillcrest Hospital, Mayfield Heights, United States