miR-542 promotes mitochondrial dysfunction and SMAD activity and is raised in ICU Acquired Weakness - farre, garros; paul, R; connolly, M; lewis, A; natanek, SA; garfield, BE; BLoch, S; Mouly, V; griffiths, M; polkey, MI; Kemp, P (American Journal of Respiratory and Critical Care Medicine, 2017)