1. Department of Pediatrics University of Florida Gainesville Florida USA
2. Department of Biomolecular Sciences University of Urbino Carlo Bo Urbino Italy
3. Department of Molecular and Developmental Medicine University of Siena Siena Italy
4. Neonatal Unit University Medical Center of Parma (AOUP) and University of Parma Parma Italy
5. Department of Morphology, Surgery and Experimental Medicine University of Ferrara Ferrara Italy
6. O. U. Burns Center, Dermatology and Emilia Romagna Regional Skin Bank “M. Bufalini” Hospital Cesena Italy