CDS	Coding sequences
GIs	Genomic islands
IS	Insertion sequences
MGEs	Mobile genetic elements
MLST	Multi-locus sequence type
MLVA	Multiple loci variable number of tandem repeats
NAO	North Atlantic Ocean
PFGE	Pulse-field gel electrophoresis
SARs	shared anomalous region
SNPs	Single nucleotide polymorphisms
ST	Sequence type (ST)
TR	Tandem repeats
VNTR	Variable number of tandem repeats
WGS	Whole-genome sequencing