1. Department of Physiology; Medical School; National and Kapodistrian University of Athens; Athens Greece
2. Centre for Human Reproduction; Genesis Athens Clinic; Athens Greece
3. Assisted Conception Unit; 2nd Department of Obstetrics and Gynecology; Medical School; Aretaieion Hospital; National and Kapodistrian University of Athens; Athens Greece
4. Department of Nutrition & Dietetics; School of Health Science and Education; Harokopio University; Athens Greece