1. Department of Internal Medicine, School of Medicine, University of Ioannina, Ioannina, Greece
2. Lipid clinic, Department of General Medicine, Addenbrooke’s Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
3. Unit of reproductive endocrinology, 1st Department of Obstetrics and Gynecology, Aristotle University of Thessaloniki, Thessaloniki, Greece