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Can I suggest an introduction or postscript with a link to the paper or abstract.

Yes you can.

Journal reference has been added.

John H, don't you normally have a green box at the beginning pointing out it's a re-post?  

The "green box" got dropped along the way. For the past couple of months, the notice has been in B&W at the begiing of an article separated from the article with a horizontal line. I thought it would be viually cleaner to put the notice at the end of the article. Whatever Dana decides to do is fine with me.

PS -- How does one create a "Green Box"?  

In HTML, it's <p class="greenbox">Text</p>

I'd put the picture in the centre too, makes it look better.

The text editing window has an 'align centre' option.

I've put the disclaimer at the head of the article. I'll be darned if I can create the "green box".

I also centered the picture via the "align center" buitton, but it doesn't show-up centered in the posted version.

I would crop the top of the picture in order to make it more compact, but do not know how to do that either.