1. Gastroenterology Unit, I.R.C.C.S. “Casa Sollievo della Sofferenza” Hospital San Giovanni Rotondo (FG), Italy
2. Institute for Liver and Digestive Health, Division of Medicine, University College London (UCL), London, United Kingdom
3. School of Science and Technology, Nottingham Trent University, Nottingham, United Kingdom
4. Bioinformatics Unit I.R.C.C.S. “Casa Sollievo della Sofferenza”, Istituto Mendel, Italy
5. Pathology Unit I.R.C.C.S. “Casa Sollievo della Sofferenza” Hospital San Giovanni Rotondo (FG), Italy