Professor Sutton's survey has been published in Biosecurity and Bioterrorism: Biodefense Strategy, Practice & Science 7(2):225-226.  This survey is also cited in a recent National Academies Press Publication and can be found at: http://www.nap.edu/catalog.php?record_id=12774, Responsible Research with Biological Select Agents and Toxins (NAS, 2009). 
 
My reference is on page 124.

http://books.nap.edu/openbook.php?record_id=12774&page=124