WSES consensus conference: Guidelines for first-line management of intra-abdominal infections - Sartelli, Massimo; Viale, Pierluigi; Koike, Kaoru; Pea, Federico; Tumietto, Fabio; Goor, Harry van; Guercioni, Gianluca; Nespoli, Angelo; Tranà, Cristian; Catena, Fausto; Ansaloni, Luca; Leppaniemi, Ari; et al. (World journal of emergency surgery, 2011)