1. Neonatal Intensive Care Unit, Hospital Dona Estefânia, Centro Hospitalar de Lisboa Central, Lisbon, Portugal
2. Nutrition Lab, Department of Pediatrics, Hospital Dona Estefânia, Centro Hospitalar de Lisboa Central, Lisbon, Portugal
3. Dietetics and Nutrition, Lisbon School of Health Technology, Lisbon, Portugal
4. Research Unit, Centro Hospitalar de Lisboa Central, Lisbon, Portugal