Journal article (2009) - J MacMahan (author) , Jeff Brown (author) , TM Scott (author) , N Senechal (author) , Jenna Brown (author) , E Thornton (author) , A.J.H.M. Reniers (author) , T Stanton (author) , M. Henriquez (author) , E Gallagher (author) , J Morrison (author) , MJ Austin (author)