<affiliation wicri:level="1"><nlm:affiliation>Department of Surgical Sciences, University of Catania, Azienda Ospedaliero - Universitaria Policlinico - Vittorio Emanuele, Catania, Italy. Electronic address: robertoscilletta@gmail.com.</nlm:affiliation>
<country xml:lang="fr">Italie</country>
<wicri:regionArea>Department of Surgical Sciences, University of Catania, Azienda Ospedaliero - Universitaria Policlinico - Vittorio Emanuele, Catania</wicri:regionArea>
<wicri:noRegion>Catania</wicri:noRegion>
</affiliation>