Changes

*Tim Woodruff, "[http://www.theage.com.au/news/opinion/question-of-funding-control/2006/08/10/1154803025186.html A question of funding and control]", ''The Age'', August 11, 2006.*Douglas Ball, Klara Tisocki and Andrew Herxheimer, "[http://www.biomedcentral.com/1471-2458/6/201 Advertising and disclosure of funding on patient organisation websites: a cross-sectional survey]", ''BMC Public Health'', August 3, 2006.