Reference:
  Author: Todd J. Treangen and Brian D. Ondov and Sergey Koren and Adam M. Phillippy
  Title: "Rapid Core-Genome Alignment and Visualization for Thousands of Intraspecific Microbial Genomes"
  Journal: BioRxiv
  Year: 2014
  DOI: 10.1101/007351
  URL: http://biorxiv.org/content/early/2014/10/20/007351
  eprint: http://biorxiv.org/content/early/2014/10/20/007351.full.pdf
