1. Division of Cancer Epidemiology and Genetics, Occupational and Environmental Epidemiology Branch; National Cancer Institute, NIH, DHHS; Bethesda; Maryland
2. Division of Environmental Health Sciences, School of Public Health; University of California at Berkeley; Berkeley; California
3. Guangdong Poison Control Center; Guangzhou; China
4. Institute for Risk Assessment Sciences, University of Utrecht; Utrecht; The Netherlands
5. Formerly of the University of Utrecht; Utrecht; The Netherlands
6. Department of Epidemiology and Population Health; Albert Einstein College of Medicine; Bronx, New York
7. Qiaotou Hospital; Dongguan; Guangdong; China
8. Protein Expression Laboratory, Advanced Technology Program, SAIC-Frederick, Inc.; National Cancer Institute; Frederick; Maryland