1. Angiology Unit, Internal Medicine Department, Villa Serena Hospital, 65013 Città Sant’Angelo, Italy
2. Vascular Ulcers and Diabetic Foot Surgery Unit, Donatello Private Hospital, 50019 Firenze, Italy
3. Department of Neuroscience, Imaging and Clinical Sciences, “G. d’Annunzio” University, 66013 Chieti, Italy
4. Medical, Movement and Wellbeing Sciences Department, University of Naples “Parthenope”, 80133 Naples, Italy
5. Department of Medicine and Aging Science, Institute of “Clinica Medica”, “G. d’Annunzio” University of Chieti, 66100 Chieti, Italy
6. Department of Medical and Surgical Sciences, University of Bologna, 40138 Bologna, Italy