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Ciccone A, Proserpio P, Roccatagliata DV, et al. Wake-up stroke and TIA due to paradoxical embolism during long obstructive sleep apnoeas: a cross-sectional study. Thorax 2013;68:97-104. doi:10.1136/thoraxjnl-2012-201643.
The affiliation of the seventh author, Carolina Lombardi, was incorrect. The author's correction affiliation is 'Department of Cardiology, Sleep Medicine Lab, ‘San Luca’ Hospital, IRCCS Istituto Auxologico Italiano, Milan, Italy'.