A worldwide comparison of the management of surgical treatment of advanced oral cancer - Kansy, K.; Mueller, A.A.; Mücke, T.; Koersgen, F.; Wolff, K.D.; Zeilhofer, H.-F.; Hölzle, F.; Pradel, W.; Schneider, M.; Kolk, A.; Smeets, R.; Acero, J.; et al. (Journal of Cranio-Maxillofacial Surgery, 2018)