Assessment of postoperative morbidity in Spanish hospitals: Results from a national survey Roberto de la Plaza Llamas; David Parés; Víctor Soria Aledó; Roger Cabezali Sánchez; Miguel Ruiz Marín; Ana Senent Boza; Manuel Romero Simó; Natalia Alonso Hernández; Helena Vallverdú-Cartié; Julio Mayol Martínez;

Implementation of a perioperative care App in elective thoracic surgery Carlos A. Fraile Olivero; José R. Jarabo Sarceda; Elena Fernández Martín; Passio Santos Capa; Pedro D. Arribas Manzanal; Ana M. Gómez Martínez; Joaquín Calatayud Gastardi; Florentino Hernando Trancho;

What have we learned from the surveys of the AEC, AECP and the Observatory of Infection in Surgery? Compliance with postoperative infection prevention measures and comparison with the AEC recommendations Josep M. Badia; Mireia Amillo Zaragüeta; Inés Rubio-Pérez; Eloy Espin-Basany; Carmen González Sánchez; José M. Balibrea;