Mitchell S. Stark, Sonika Tyagi, Derek J. Nancarrow, Glen M. Boyle, Anthony L. Cook, David C. Whiteman, Peter G. Parsons, Christopher Schmidt, Richard A. Sturm, Nicholas K. Hayward
PLoS One. 2010; 5(3): e9685. Published online 2010 Mar 12. doi: 10.1371/journal.pone.0009685