1. Vascular Laboratory, Department of Clinical Therapeutics, Alexandra Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
2. Cardiology Department, Democritus University of Thrace, Alexandroupolis, Greece
3. 3rd Department of Cardiology, Ippokrateio Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
4. 2nd Department of Obstetrics and Gynecology, Aretaieio Hospital, National and Kapodistrian University of Athens, Athens, Greece
5. Cardiovascular Research Centre, Institute of Genetic Medicine, Newcastle University, Newcastle Upon Tyne, United Kingdom