Posthospitalization COVID-19 cognitive deficits at 1 year are global and associated with elevated brain injury markers and gray matter volume reduction by Wood, GK, Sargent, BF, Ahmad, Z, Tharmaratnam, K, Dunai, C, Egbe, FN, Martin, NH, Facer, B, Pendered, SL, Rogers, HC, Hübel, C, van Wamelen, DJ, Bethlehem, RAI, Giunchiglia, V, Hellyer, PJ, Trender, W, Kalsi, G, Needham, E, Easton, A, Jackson, TA, Cunningham, C, Upthegrove, R, Pollak, TA, Hotopf, M, Miller, KL, Jezzard, P, Smith, SM, Husain, M, Vincent, A