[1]Unit of Gynecology and Obstetrics Desenzano del Garda Hospital Section of Gavardo Gavardo Brescia Italy;
[2]Department of Biomedicine and Prevention Section of Gynecology and Obstetrics University of Rome Tor Vergata Rome Italy;
[3]Department of Obstetrics and Gynecology University Medical Center Ljubljana Ljubljana Slovenia;
[4]Gynecologic Oncology Unit Department of Experimental Clinical Oncology "Regina Elena"National Cancer Institute Rome Italy;
[5]Pineta Grande Hospital Castel Volturno Caserta Italy;
[6]Surgical Research Laboratory Medical School Saint Joseph University Damas Street Beirut Lebanon;
[7]Department of Obstetrics and Gynaecology Lebanese American University Beirut Lebanon;
Human umbilical cord stem cells; Immunomodulation; Cryopreservation; Stem therapy;