Vilella AJ, Severin J, Ureta-Vidal A, Heng L, Durbin R, Birney E. Heng Li Genome Res February 1, 2009 http://www.ncbi.nlm.nih.gov/pubmed/19029536 19(2):327-35 https://connects.catalyst.harvard.edu/Profiles/profile/111494054