Estafanous Abram, Sedky Karim, The Intersection of Cultural Characteristics and Genetics on the Prevalence of Delayed Sleep Phase Syndrome in Brazilian and Japanese Adults, Journal of Sleep And Sleep Disorder Research, Volume 1, Issue 4, 2020, Pages 1-6, ISSN 2574-4518, https://doi.org/10.14302/issn.2574-4518.jsdr-20-3161. (https://openaccesspub.orgjsdr/article/1322) Keywords: Sleep; gene polymorphisms; sleep disorders