| Affiliation: | 1. Department of Biological Sciences, Meredith College, , Raleigh, North Carolina, U.S.A.;2. Department of Biostatistics, University of North Carolina, , Chapel Hill, North Carolina, U.S.A.;3. Department of Biostatistics, University of Washington, , Seattle, Washington, U.S.A.;4. Fred Hutchinson Cancer Research Center, , Seattle, Washington, U.S.A.;5. Department of Epidemiology, University of California, , Los Angeles, California, U.S.A.;6. Department of International Health, Johns Hopkins University, , Baltimore, Maryland, U.S.A.;7. Department of Geography, University of North Carolina, , Chapel Hill, North Carolina, U.S.A. |
