Vaidya Jayant S, Bulsara Max, Wenz Frederik, Tobias Jeffrey S, Joseph David, Baum Michael
Division of Surgery and Interventional Science, University College London, London W1W 7EJ, UK.
Department of Biostatistics, University of Notre Dame, Fremantle, WA, Australia.
Lancet. 2018 Jan 6;391(10115):26-27. doi: 10.1016/S0140-6736(17)33316-0.