1. Department of Percutaneous Surgery, DAICIM Foundation (Teaching, Research, Assistance in Minimal Invasive Surgery), Buenos Aires, Argentina.
2. Department of General Surgery, Sanatorio de la Mujer, Rosario, Argentina.
3. Department of Bariatric Surgery, Diagnomed, Buenos Aires, Argentina.
4. School of Medicine, University of Buenos Aires, Buenos Aires, Argentina.
5. Department of Bariatric Surgery, CIEN Center, Corrientes, Argentina.
6. IRCAD (Institute for Research on Cancer of the Digestive System), Strasbourg, France.
7. IHU-Strasbourg, (Institute Hopitalo-Universitaire), Strasbourg, France.