1. Genetic Engineering and Society Center, North Carolina State University, Raleigh, NC 27695-7613, USA.
2. Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC 27695-7613, USA.
3. Department of Agricultural and Resource Economics, North Carolina State University, Raleigh, NC 27695-7613, USA.
4. Department of Public Administration, North Carolina State University, Raleigh, NC 27695-7613, USA.