Brain Communications, 4(4):fcac195 Amsterdam UMC Covid-19 Biobank 2022, ' Neurofilament light increases over time in severe COVID-19 and is associated with delirium ', Brain Communications, vol. 4, no. 4, fcac195 . https://doi.org/10.1093/braincomms/fcac195 Brain Communications, 4(4):fcac195. Oxford University Press