Erratum to: Algorithms Mol Biol (2016) 11:12 DOI 10.1186/s13015-016-0076-6

During the production process for this article [1], Theorem 1 in the ‘Algorithms’ section and Example 7 in the ‘Implementation’ section were formatted incorrectly. These have been updated and the corrected versions can now be found in the original article [1].