1. Department of Molecular Immunology; Institute of Biology and Immunology of Reproduction “Akad. K. Bratanov” - Bulgarian Academy of Sciences; Sofia Bulgaria
2. Department of Gynecologic Oncology and Advanced Pelvic Surgery; Tokuda Hospital; Sofia Bulgaria
3. Clinical Laboratory; Tokuda Hospital; Sofia Bulgaria
4. Institute for Cardiovascular Prevention; Ludwig-Maximilians-University; Munich Germany
5. Walter Brendel Centre of Experimental Medicine; Ludwig-Maximilians-University; Planegg-Martinsried Germany