Bala, M., Kashuk, J., Moore, E., Catena, F., Leppaniemi, A., Ansaloni, L., … Kluger, Y. Establishing position papers by the WSES. World Journal of Emergency Surgery : WJES, 13, 1. https://doi.org/10.1186/s13017-018-0163-8 (Original work published 2018)