Timing of Early Cholecystectomy for Acute Calculous Cholecystitis: A Multicentric Prospective Observational Study. - Fugazzola P; Abu-Zidan FM; Cobianchi L; Dal Mas F; Ceresoli M; Coccolini F; Frassini S; Tomasoni M; Catena F; Ansaloni L; On Behalf Of The S P Ri M A C C Collaborative Group (Healthcare (Basel, Switzerland), 2023)