MAFcounter: an efficient tool for counting the occurrences of k-mers in MAF files. - Patsakis, Michail; Provatas, Kimonas; Karatzikos, Aris; Koilakos, Charalampos; Mouratidis, Ioannis; Georgakopoulos-Soares, Ilias (BMC Bioinformatics, 2025)