1. Department of Surgery and Cancer, Imperial College, London, UK;
2. Havlik-Wall Professor of Oncology, Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, USA;
3. Food Chemistry & Toxicology, University of Kaiserslautern (retired), Heidelberg, Germany;
4. Japan Bioassay Research Center, Kanagawa, Japan;
5. Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, TN, USA;
6. Masonic Cancer Center and Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA;
7. Division of Toxicology, Wageningen University, Wageningen, The Netherlands;
8. Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Ohio University, Athens, OH, USA;
9. Flavor and Extract Manufacturers Association, Washington, DC, USA