1. Institute of Surgical Pathology Department of Medical, Oral and Biotechnological Sciences “G D’Annunzio” University of Chieti Chieti Italy
2. Geriatrics Clinic Department of Medicine and Science of Aging “G D’Annunzio” University of Chieti Chieti Italy
3. Kliniske Abteilung für Allgemeine Viszeral und Thoraxchirurgie Klinikum Darmstadt Darmstadt Germany