1. Department of Internal Medicine, Division of Oncology, Karl‐Franzens University Graz, Austria
2. Department of Internal Medicine, Karl‐Franzens University Graz, Austria
3. Department of Radiology, Division of Nuclear Medicine, Karl‐Franzens University Graz, Graz, Austria
4. Department of Internal Medicine, Landeskrankenanstalten Salzburg, Austria
5. Department of Obstetrics and Gynecology, Karl‐Franzens University Graz, Austria