Hotouras Alexander, Ribas Yolanda, Allison Marion, Murphy Jamie
Department of Colorectal Surgery, University College London Hospital, London NW1 2PG, UK.
Department of Surgery, Terrassa, Barcelona, Spain.
Lancet. 2016 Feb 13;387(10019):643-644. doi: 10.1016/S0140-6736(16)00281-6.