"Rachel Stryker in her anthropological study "The Road to Evergreen" states that attachment therapies "of all stripes" are increasingly popular in the USA and that the number of therapists associated with the Evergreen model registering with ATTACh grows each year.She cites the large number of formerly institutionalized domestic and foreign adoptees in the USA and the apparently higher risk of disruption of foreign adoptions, of which there were 216,000 between 1998 and 2008.