Systems, science and populations, effective early mental health intervention following mass trauma : the roles of government, clinicians and communities / Beverley Raphael -- Factors in the development of community resilience to disasters / Rose L. Pfefferbaum, Dori B. Reissman, Betty Pfefferbaum, Karen Fraser Wyche, Fran H. Norris, Richard W. Klomp -- Psychological first aid / Patricia J. Watson -- Acute stress disorder and early interventions after trauma / Richard A. Bryant -- The role of pharmacotherapy in early interventions / Matthew J. Friedman -- Should culture considerations influence early intervention? / Carl C. Bell -- Resilience is the default : how not to miss it? / Arieh Y. Shalev, Yael Errera -- Epilog : early intervention for individuals and communities : planning for the future while meeting present needs / Robert J. Ursano, Michael Blumenfield.