Last seen in:
- Universal - Jul 7 2021
- Universal - Sep 17 2018
- New York Times - Dec 6 2015
- New York Times - Feb 22 2015
- The Chronicle of Higher Education - Sep 7 2012
- The Chronicle of Higher Education - Oct 28 2011
- Premier Sunday - King Feature Syndicate - Jun 6 2010
- Wall Street Journal - Aug 7 2009 - August 7, 2009 - Product Claims (Disproved)
- New York Times - Dec 3 2008
- Universal - Apr 11 2007