Conditioning of the abdominal wall with progressive pneumoperitoneum in hernias with loss of domain. A consensus proposal Salvador Pous-Serrano; Jose Bueno-Lledó; Jesús Martínez-Hoed; Omar Carreño-Sáenz; Providencia García-Pastor; Santiago Bonafé-Diana; Belén Porrero Guerrero; Guillermo Lillo-Albert;