“…Several studies in the USA document the effects of September 11 in relation to indirect exposure on adults (e.g. Ahern et al, 2002;Blanchard, Rowell, Kuhn, Rogers, & Wittrock, 2005;DeLisi et al, 2003;Galea et al, 2002;Lawyer et al, 2006;Silver, Holman, McIntosh, Poulin, & Gil-Rivas, 2002) and children (e.g. Columbia University Mailman School of Public Health & New York State Psychiatric Institute, 2002;Duggal, Berezkin, & John, 2002;Gil-Rivas, Holman, & Silver, 2004;Schuster et al, 2001).…”