1. Department of Vascular Surgery, Red Cross Hospital, Athens, Greece
2. Department of Clinical Biochemistry (Vascular Disease Prevention Clinics), Royal Free Hospital Campus, University College London Medical School, University College London (UCL), London, UK
3. 1st Department of Oncology, Aghios Savvas Hospital, Athens, Greece
4. Athens University Medical School, Athens, Greece
5. Department of Clinical Biochemistry (Vascular Disease Prevention Clinics), Royal Free Hospital Campus, University College London Medical School, University College London (UCL), London, UK, mikhailidis@aol.com