| Affiliation: | 1. Biostatistics and Bioinformatics Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Rockville, MD 20852, U.S.A.;2. Biostatistics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Rockville, MD 20850, U.S.A.;3. Department of Statistics & Applied Probability, University of California—Santa Barbara, Santa Barbara, CA 93106, U.S.A. |
