Institution: | 1. High-Risk Pregnancy Unit. Obstetrics and Gynecology Department, Hospital Universitario Quiron Madrid, Pozuelo de Alarcon, Madrid, Spain;2. Clinical Analysis Department, Hospital Universitario Quiron Madrid, Pozuelo de Alarcon, Madrid, Spain;3. Neonatology Department, Hospital Universitario Quiron Madrid, Pozuelo de Alarcon, Madrid, Spain |