Clinical Outcome, Socioeconomic Status and Psychological Constrains of Patients Undergoing Preimplantation Genetic Testing (PGT) in Northern Greece oleh Antonios Patrikiou, Alexandra Papadopoulou, Christos Noutsos, Panagiotis Tzekis, Nikolaos Koios, Ioannis Kourempeles, George Anifandis, Antonia Sioga, Grigoris Grimbizis, Basil C. Tarlatzis, Katerina Chatzimeletiou