The Diverticular Disease Registry (DDR Trial) by the Advanced International Mini-Invasive Surgery Academy Clinical Research Network: Protocol for a Multicenter, Prospective Observational Study. - Origi M; Achilli P; Calini G; Costanzi A; Monteleone M; Montroni I; Maggioni D; Cocozza E; Megna S; Totis M; Tamini N; Ziccarelli A; et al. (International journal of surgery protocols, 2021)