Reference:
  Author: Ariel S. Schwartz and Lior Pachter
  Title: Multiple alignment by sequence annealing
  Journal: Bioinformatics
  Year: 2007
  Volume: 23
  Number: 2
  Pages: e24-e29
  DOI: 10.1093/bioinformatics/btl311
  URL: http://bioinformatics.oxfordjournals.org/content/23/2/e24
  eprint: http://bioinformatics.oxfordjournals.org/content/23/2/e24.full.pdf+html
