Just to clarify: The previous link I posted was not the one referenced in the Science Daily. That would be here: http://doi.wiley.com/10.1002/emmm.201200245 h

Just to clarify: The previous link I posted was not the one referenced in the Science Daily. That would be here: http://doi.wiley.com/10.1002/emmm.201200245 http://doi.wiley.com/10.1002/emmm.201200245 Unfortunately, all of these original articles are behind a paywall. Most of us here have some University access, I believe, but not all. Science Daily at leasts gets you the gist.