Authors
Magdalena Rychłowska-Pruszyńska
Department of Surgical Oncology for Children and Youth, Institute of Mother and Child, Warsaw, Poland
Joanna Gajewska
Department of Screening and Metabolic Diagnostics, Institute of Mother and Child, Warsaw, Poland
Jadwiga Ambroszkiewicz
Department of Screening and Metabolic Diagnostics, Institute of Mother and Child, Warsaw, Poland
Marek Karwacki
Department of Surgical Oncology for Children and Youth, Institute of Mother and Child, Warsaw, Poland
Katarzyna Szamotulska
Department of Epidemiology and Biostatistics, Institute of Mother and Child, Warsaw, Poland