contributions by Camille T. Dungy ... [et al. contributions by Julie Barten ... [et al. contributions by Tim Benton ... [et al. contributions by Iain Buchanan ...[et al. contributions by Isabelle Dervaux ...[et al. contributions by Marie Godet...[et al. contributions by Sarah Bertalan ... [et al. contributions by Alyson Baker ... [et al. contributions by Barry Friedman ... [et al. contributions by Deborah F. Rutter...[et al.