Don't know if this article has been cited already. Given the obvious relevance of the title, it's a good bet you guys have, so sorry if this is old info.
http://www.shreveportphysiology.com/Ale ... MS.pdf.pdf
I have only had a chance to skim it, so I don't know if it adds much to the discussion. I did find the authors' take on the effects of interferon-beta interesting.