I wonder if the CDC has conducted or facilitated a study comparing vaccinated children yet… have you done that? We have actually done a number of studies looking at the relationship between Thimerosal vaccines and autism and other developmental disabilities. There have been, over the last decade, numerous studies looking at the relationship between and aspects… That the CDC conducted? Some of them were conducted by the CDC and others were conducted by... How many would you say, would you estimate? I would actually have to check with the specific numbers, but I know there were two… one large study looking at various neurodevelopmental disorders, and the second one that focused specifically on autism. Those were fairly recently. Do you believe additional study will provide useful data in assessing the safety of childhood vaccines?