2020 update of the WSES guidelines for the management of acute colonic diverticulitis in the emergency setting. - Sartelli, Massimo; Weber, Dieter G.; Kluger, Yoram; Ansaloni, Luca; Coccolini, Federico; Abu-Zidan, Fikri; Augustin, Goran; Ben-Ishay, Offir; Biffl, Walter L.; Bouliaris, Konstantinos; Catena, Rodolfo; Ceresoli, Marco; et al. (World Journal of Emergency Surgery, 2020)