1.Department of Rheumatology, Patras University Hospital, University of Patras Medical School, Patras, Greece
2. Department of Rheumatology, Agios Andreas Hospital, Patras, Greece
3. 4th Department of Internal Medicine Hippokration Hospital, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
4. 3rd Department of Clinical Oncology, Theageneio Cancer Hospital, Thessaloniki, Greece
5. Oncology/Chemotherapy Unit, Agios Andreas Hospital, Patras, Greece
6. Department of Oncology, Patras University Hospital, University of Patras Medical School, Patras, Greece