Damali N. Martin, Brenda J. Boersma, Ming Yi, Mark Reimers, Tiffany M. Howe, Harry G. Yfantis, Yien Che Tsai, Erica H. Williams, Dong H. Lee, Robert M. Stephens, Allan M. Weissman, Stefan Ambs
PLoS One. 2009; 4(2): e4531. Published online 2009 Feb 19. doi: 10.1371/journal.pone.0004531