http://genome.cshlp.org/content/19/5/838/suppl/DC1 (Supplementary material)
Nielsen, R., Hubisz, M. J., Hellmann, I., Torgerson, D., Andrés, A. M., Albrechtsen, A., et al. (2009). Darwinian and demographic forces affecting human protein coding genes. Genome Research, 19(5), 838-849. doi:10.1101/gr.088336.108.