The following Notice was incorrectly placed when it was published in the November/December 2005 issue of JMWH (vol 50, no. 6). It appears again below to ensure that the article is correctly cited where the Journal appears online.

The following two articles have been judged to constitute duplicate publication, as defined and published by the International Committee of Medical Journal Editors (Uniform requirements for manuscripts submitted to biomedical journals: Writing and editing for biomedical publication. Available at:

Readers should be aware that these two articles report the same study, with the same study question, sample, results, and conclusions: