Open Access. The accepted version of this work has been reproduced here according to the publisher's polices.
This is an Author's Accepted Manuscript of an article published in Eating disorders: the journal of treatment and prevention, 12(2): 103-124, 2004. The published version is available from Taylor and Francis online at http://dx.doi.org/10.1080/10640260490444628 (Please note: access via this link may only be available with a subscription)
Copyright (2004) Taylor & Francis
Eating disorders: the journal of treatment and prevention, 12(2): 103-124