Authors
Dorota Cudziło
Maxillofacial Orthopedics and Orthodontics Department, Institute of Mother and Child, Warsaw, Poland
Dorota Pałczyńska
Maxillofacial Orthopedics and Orthodontics Department, Institute of Mother and Child, Warsaw, Poland
Magdalena Bednarczyk
Neonatal Intensive Care Unit, Institute of Mother and Child, Warsaw, Poland