1. Department of Plastic and Reconstructive Microsurgery, Careggi University Hospital, Florence, Italy
2. Department of Cardiovascular Diagnostics, Careggi University Hospital, Florence, Italy
3. Department of Statistica, Informatica, Applicazioni “G.Parenti” DiSIA, University of Florence, Florence, Italy
4. Scientific Consulting, Foggathorpe, East Yorkshire, United Kingdom
5. Section of Physiological Sciences, Department of Experimental and Clinical Medicine, School of Human Health Sciences, University of Florence, Florence, Italy