1. Department of Obstetrics and Gynecology, Faculty of Medicine, School of Health Sciences, University of Thessaly, 415 00 Larissa, Greece
2. Assisting Nature IVF Unit, Giannou Kranidiotis, & Avenue 2, 570 01 Thessaloniki, Greece
3. HYGEIA IVF EMBRYOGENESIS A.R.T. Unit, Fleming 15, 151 23 Athens, Greece
4. Institute of Fertility, Pasteur 15, Mavili Square, 115 21 Athens, Greece
5. Embryolab IVF Unit, Leoforos Ethnikis Antistaseos 175, 551 34 Thessaloniki, Greece
6. Mitosis IVF Centre, Sachtouri 24, 185 37 Pireaus, Greece
7. Assisted Reproduction Unit, Second Department of Obstetrics and Gynecology, “Aretaieion” Hospital, Medical School, National and Kapodistrian University of Athens, 76 Vas. Sofias Av., 115 28 Athens, Greece