1. 1st Department of General Surgery Ospedale di Circolo e Fondazione Macchi Varese, Insubria University Varese-Como, Varese, Italy
2. Department of Human Morphology & Surgical Sciences, Insubria University Varese-Como, Varese, Italy
3. Department of Surgery, Korea University College of Medicine, Seoul, Korea
4. Department of General Surgery, Ioannina University Hospital, Ioannina University, Ioannina, Greece
5. Centre for Biosystems & Genomic Network Medicine, Ioannina University, Ioannina, Greece