1. Colorectal Surgery Unit, Department of General and Digestive Surgery, University Hospital of Girona Dr. Josep Trueta, Girona, Spain
2. Girona Biomedical Research Institute (IDIBGI), Girona, Spain
3. Department of Medical Sciences, Faculty of Medicine, University of Girona, Girona, Spain
4. Colorectal Surgery, Vall d’Hebron University Hospital, Barcelona, Spain
5. Endocrine Surgery Unit, Department of General and Digestive Surgery, University Hospital of Girona Dr. Josep Trueta, Girona, Spain
6. Department of Anatomical Pathology, University Hospital of Girona Dr. Josep Trueta, Girona, Spain
7. Department of Endocrinology, Diabetes and Nutrition, University Hospital of Girona Dr. Josep Trueta, Girona, Spain