1. Department of General Surgery; Colorectal Surgery Unit; Hospital Germans Trias i Pujol; School of Medicine; Universitat Autonoma de Barcelona; Badalona Barcelona Spain
2. Department of Surgery; Parc de Salut Mar; Barcelona Spain
3. Department of Engineering Design; Universitat Politècnica de Barcelona; Barcelona Spain
4. Department of Psychiatry; Bellvitge Biomedical Research Institute - IDIBELL and CIBERSAM G-17; Barcelona Spain
5. Department of Psychobiology and Methodology in Health Sciences; Universitat Autònoma de Barcelona; Spain
6. MRI Research Unit; Department of Radiology; Hospital del Mar; Barcelona Spain