1. Epimer LLC; North Smithfield Rhode Island 02896 USA
2. Department of Environmental and Molecular Toxicology; Oregon State University; Corvallis Oregon 97331 USA
3. Cancer Research Center and Departments of Biomedical Sciences and Environmental Health Sciences; University at Albany; Rensselaer New York 12144 USA
4. Laboratory of Drug Design and Medicinal Chemistry; Showa Pharmaceutical University; Tokyo Japan
5. Department of Biotechnology; Faculty of Engineering; Toyama Prefectural University; Imizu Japan
6. School of Medicine; Boston University; Boston Massachusetts 02118 USA
7. Hoffmann-La Roche Inc.; Nutley New Jersey 07110 USA