WITHDRAWN: Publisher's Note

J Psychiatr Res. 2007 Feb 2. doi: 10.1016/j.jpsychires.2006.11.007. Online ahead of print.

Abstract

The Publisher regrets that this article is an accidental duplication of an article that has already been published in PIAT, 41 (2007) page 371, doi:10.1016/j.jpsychires.2006.11.001. The duplicate article has therefore been withdrawn.