1 Department of General and Digestive Surgery, Le Mans Hospital, 194 Avenue Rubillard, 72037 Le Mans, France. Electronic address: maelig.poitevin@chu-angers.fr.
2 Department of Neurology, Le Mans Hospital, 194 Avenue Rubillard, 72037 Le Mans, France. Electronic address: m.bendimerad@ch-lemans.fr.
3 Department of Neurology, Le Mans Hospital, 194 Avenue Rubillard, 72037 Le Mans, France. Electronic address: b.vovard@ch-lemans.fr.
4 Department of Neurology, Le Mans Hospital, 194 Avenue Rubillard, 72037 Le Mans, France. Electronic address: y.ollivier@ch-lemans.fr.
5 Department of General and Digestive Surgery, Le Mans Hospital, 194 Avenue Rubillard, 72037 Le Mans, France. Electronic address: pviannay@ch-lemans.fr.
6 Department of General and Digestive Surgery, Le Mans Hospital, 194 Avenue Rubillard, 72037 Le Mans, France. Electronic address: julienbarbieux@hotmail.fr.