It turns out that Wikipedia has an extensive list of academic microfluidics/bioMEMS research groups worldwide. Although the list is long, there are probably many groups missing. I know this because when I first found the page, only one group from MIT was mentioned (there are at least nine). I’ve since remedied that situation — my first time ever editing a Wikipedia entry.
It’s definitely worth a visit if you’re trying to get an overview of current research in microfluidics/bioMEMS.