Department of General Surgery and Medical Surgical Specialties, University of Catania, Catania, Italy
Copyright © 2019 Korean Society of Gastrointestinal Endoscopy
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Conflicts of Interest:The authors have no financial conflicts of interest.
Author Contributions
Conceptualization: Eva Intagliata
Data curation: EI
Investigation: EI
Methodology: EI
Resources: EI
Supervision: EI
Validation: Rosario Vecchio
Writing-review&editing: RV