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Sakkas GK, Giannaki CD, Karatzaferi C, Maridaki M, Koutedakis Y, Hadjigeorgiou GM, Stefanidis I.Sakkas GK, et al. Among authors: koutedakis y.Sleep Med Rev. 2015 Jun;21:39-49. doi: 10.1016/j.smrv.2014.07.006. Epub 2014 Aug 15.Sleep Med Rev. 2015.PMID: 25261116Review.