All I did was place the article on the LIST because I thought it would be of interest. Responses are being addressed to me as though I had anything to do with the study. Bob even referred to me as "cavalier". Come on guys, cut me some slack. As Barbara would say: "ducking and grinning" I can assure you, I did not write the article. Happy Super Bowl, Mario ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn