1. Superfund Research Program, Divisions of Environmental Health Sciences and Epidemiology, School of Public Health, University of California; Berkeley California
2. Departamento de Salud Pública, Facultad de Medicina, Pontificia Universidad Católica de Chile, Advanced Center for Chronic Diseases, ACCDiS, Santiago, Chile
3. Department of Environmental & Occupational Health Sciences, School of Public Health; University of Washington; Seattle Washington, DC