Risk factors and outcomes of open conversion during minimally invasive major hepatectomies: an international multicenter study on 3880 procedures comparing the laparoscopic and robotic approaches - Montalti, R.; Giglio, M. C.; Wu, A. G. R.; Cipriani, F.; D’silva, M.; Suhool, A.; Nghia, P. P.; Kato, Y.; Lim, C.; Herman, Paulo (Annals of surgical oncology, 2023)