1. 3rd Department of Obstetrics and Gynaecology; Aristotle University of Thessaloniki; Thessaloniki Greece
2. Infertility Treatment Center; IAKENTRO; Thessaloniki Greece
3. Pathology Division; 424 General Army Hospital; Thessaloniki Greece
4. Laboratory of Biological Chemistry; Medical School, Faculty of Health Sciences; Aristotle University of Thessaloniki; Thessaloniki Greece