1. Human Safety, Bayer CropScience LP, Research Triangle Park, NC, USA;
2. Human Health Assessment, Dow AgroSciences LLC, Indianapolis, IN, USA;
3. Toxicology & Environmental Research and Consulting, The Dow Chemical Company, Midland, MI, USA;
4. Toxicology and Health Sciences, Syngenta Crop Protection LLC, Greensboro, NC, USA