It doesn't sound like it has been published. Here's the abstract from the conference where the results were presented: http://www.sens.org/index.php?pagename=

It doesn't sound like it has been published. Here's the abstract from the conference where the results were presented: http://www.sens.org/index.php?pagename=sens4_abstract&ID=135 http://www.sens.org/index.php?pagename=sens4_abstract&ID...