David Proud, Magdalena H. Hudy, Shahina Wiehler, Raza S. Zaheer, Minaa A. Amin, Jonathan B. Pelikan, Claire E. Tacon, Tabitha O. Tonsaker, Brandie L. Walker, Cora Kooi, Suzanne L. Traves, Richard Leigh
PLoS One. 2012; 7(7): e40762. Published online 2012 Jul 12. doi: 10.1371/journal.pone.0040762