1. Division of Clinical Oncology, Department of Internal Medicine; Medical University Graz; Graz Austria
2. Department of Medicine; Academic Teaching Hospital Feldkirch; Feldkirch Austria
3. Department of Therapeutic Radiology and Oncology; Medical University Graz; Graz Austria
4. Division of Internal Medicine; GKK Outpatient Department; Graz Austria
5. Clinical Institute of Medical and Chemical Diagnostics; Medical University Graz; Graz Austria