1 Department of General Surgery, University Hospital of Araba (HUA), Sede Hospital Santiago Apóstol, C/Olaguibel, 27, 01004, Vitoria, Alava, Spain. [email protected].
2 University of the Basque Country, Vitoria, Spain. [email protected].
3 Department of General Surgery, University Hospital of Araba (HUA), Sede Hospital Santiago Apóstol, C/Olaguibel, 27, 01004, Vitoria, Alava, Spain.
4 University of the Basque Country, Vitoria, Spain.