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Phylogenetic tree showing the haplogroup counts found in the present sample set following the nomenclature published by Karafet et al. [8] and on the Internal Society of Genetic Genealogy (ISOGG) 2009 Y-DNA SNP Index website (http://isogg.org/tree/ISOGG_YDNA_SNP_Index09.html). ES, Spanish; ESg, Spanish Roma; UK, British; FO, Faroe Islands; DE, German; DK, Danish; IT, Italian; HU, Hungarian; GR, Greek; BG, Bulgarian; BGg, Bulgarian Roma; UA, Ukrainian.
