Acute abdomen in the immunocompromised patient: WSES, SIS-E, WSIS, AAST, and GAIS guidelines oleh Federico Coccolini, Mario Improta, Massimo Sartelli, Kemal Rasa, Robert Sawyer, Raul Coimbra, Massimo Chiarugi, Andrey Litvin, Timothy Hardcastle, Francesco Forfori, Jean-Louis Vincent, Andreas Hecker, Richard Ten Broek, Luigi Bonavina, Mircea Chirica, Ugo Boggi, Emmanuil Pikoulis, Salomone Di Saverio, Philippe Montravers, Goran Augustin, Dario Tartaglia, Enrico Cicuttin, Camilla Cremonini, Bruno Viaggi, Belinda De Simone, Manu Malbrain, Vishal G. Shelat, Paola Fugazzola, Luca Ansaloni, Arda Isik, Ines Rubio, Itani Kamal, Francesco Corradi, Antonio Tarasconi, Stefano Gitto, Mauro Podda, Anastasia Pikoulis, Ari Leppaniemi, Marco Ceresoli, Oreste Romeo, Ernest E. Moore, Zaza Demetrashvili, Walter L. Biffl, Imitiaz Wani, Matti Tolonen, Therese Duane, Sameer Dhingra, Nicola DeAngelis, Edward Tan, Fikri Abu-Zidan, Carlos Ordonez, Yunfeng Cui, Francesco Labricciosa, Gennaro Perrone, Francesco Di Marzo, Andrew Peitzman, Boris Sakakushev, Michael Sugrue, Marja Boermeester, Ramiro Manzano Nunez, Carlos Augusto Gomes, Miklosh Bala, Yoram Kluger, Fausto Catena