1 Department of Women's and Children's Health, Neonatal Intensive Care Unit, Stem Cell and Regenerative Medicine Laboratory, Institute of Pediatric Research Città della Speranza, University of Padova, Padova 35128, Italy.
2 Human Anatomy Section, Department of Neurosciences, University of Padova, Padova 35128, Italy.
3 Department of Women's and Children's Health, Neonatal Intensive Care Unit, Stem Cell and Regenerative Medicine Laboratory, Institute of Pediatric Research Città della Speranza, University of Padova, Padova 35128, Italy. Electronic address: eugenio.baraldi@unipd.it.