Gregory R. Grant, Michael H. Farkas, Angel D. Pizarro, Nicholas F. Lahens, Jonathan Schug, Brian P. Brunk, Christian J. Stoeckert, John B. Hogenesch, Eric A. Pierce
Bioinformatics. 2011 Sep 15; 27(18): 2518–2528. Published online 2011 Jul 19. doi: 10.1093/bioinformatics/btr427