1. Laboratory of Development Biology and Tumor, GIGA-Cancer, Department of Obstetrics and Gynecology/Department of Clinical Sciences, University of Liege, Liege 1, Belgium
2. Neonatal Intensive Care Unit, Department of Pediatrics, University of Liege, Liege 1, Belgium
3. Department of Obstetrics and Gynecology, University of Liege, Liege1, Belgium