1. RRMR/CUCCS: Regional Network of Regenerative Medicine/Center for the Clinical Use of Stem Cells, University of Pisa, Pisa, Italy.
2. Department of Human Morphology and Applied Biology, Section of Histology and Embryology, University of Pisa, Pisa, Italy.
3. Department of Reproductive Medicine and Child Development, Division of Pediatrics, Laboratory of Immunology, University of Pisa, Pisa, Italy.
4. Department of Chemical Engineering, University of Pisa, Pisa, Italy.