1. Internal Medicine, Dept of Medicine and Science of Aging, ‘G. D'Annunzio’ University, Chieti, Italy
2. Ultrasound Unit, Internal Medicine, Department of Medicine and Science of Aging, ‘G. D'Annunzio’ University, Chieti, Italy
3. Internal Medicine, Department of Medicine and Science of Aging, ‘G. D'Annunzio’ University, Chieti, Italy