Gregory P. Mullen, Kiely M. Grundahl, Mingyu Gu, Shigeki Watanabe, Robert J. Hobson, John A. Crowell, John R. McManus, Eleanor A. Mathews, Erik M. Jorgensen, James B. Rand
PLoS One. 2012; 7(7): e40095. Published online 2012 Jul 10. doi: 10.1371/journal.pone.0040095