Rachel Jenkins, Robert Kydd, Paul Mullen, Kenneth Thomson, James Sculley, Susan Kuper, Joanna Carroll, Oye Gureje, Simon Hatcher, Sharon Brownie, Christopher Carroll, Sheila Hollins, Mai Luen Wong
PLoS One. 2010; 5(2): e9049. Published online 2010 February 4. doi: 10.1371/journal.pone.0009049