Affiliation: | 1. Department of Epidemiology, University of Alabama at Birmingham, , Birmingham, Alabama, 35294;2. Section on Statistical Genetics, Department of Biostatistics, University of Alabama at Birmingham, , Birmingham, Alabama, 35294;3. Department of Pediatrics, University of Colorado Anschutz Medical Campus, , Aurora, Colorado, 80045;4. Epidemiology and Biostatistics Division, Mel and Enid Zuckerman College of Public Health, University of Arizona, , Tucson, Arizona, 85724;5. Departments of Nutrition and Molecular Biosciences, University of California at Davis, , Davis, California, 95616;6. Center for Alaska Native Health Research, Institute of Arctic Biology, University of Alaska at Fairbanks, , Fairbanks, Alaska, 99775 |