Ibrahim Abubakar, Ajit Lalvani, Jo Southern, Alice Sitch, Charlotte Jackson, Oluchukwu Onyimadu, Marc Lipman, Jonathan J Deeks, Chris Griffiths, Graham Bothamley, Onn Min Kon, Andrew Hayward, Joanne Lord & Francis Drobniewski,
2018, Health Technology Assessment, 22(56), 1-95