Hill, Ryan M., Boto, Elena, Rea, Molly, Holmes, Niall, Leggett, James, Coles, Laurence A., Papastavrou, Manolis, Everton, Sarah, Hunt, Benjamin A.E., Sims, Dominic, Osborne, James, Shah, Vishal, Bowtell, Richard, Brookes, Matthew J., "Multi-channel whole-head OPM-MEG: Helmet design and a comparison with a conventional system", NeuroImage, 2020