Saw this link on Google News:
http://timesofindia.indiatimes.com/H...w/45624497.cms
The story says LEeBook, which I assumed was something from India based on the site, but the study seems to have been done in the US, but I've never heard of that reader. The picture with the article looks interesting. It makes me wonder which "other eReaders" they used and if that included front-lit eink devices.