1. Hart Research Associates (The Association of American Colleges and Universities, Washington, DC, 2010).
2. Schuster, S.M. Biochem. Mol. Biol. Educ. 39, 61–62 (2011).
3. Vanderford, N.L. The Scientist News (17 March 2010).
http://www.the-scientist.com/news/display/57221/
.
4. Vanderford, N.L. The Scientist News (28 September 2010).
http://www.the-scientist.com/news/display/57726/
.
5. Anonymous. Nat. Struct. Mol. Biol. 8, 567 (2001).