University of Texas at Houston - Department of Epidemiology, Human Genetics, and Environment Sciences, University of Texas at Houston - Department of Epidemiology, Human Genetics, and Environment Sciences, University of Texas at Houston - Department of Epidemiology, Human Genetics, and Environment Sciences, affiliation not provided to SSRN, affiliation not provided to SSRN, Texas A&M University - Texas A&M University Health Science Center, Texas A&M University - Texas A&M University Health Science Center, University of Texas at Houston - Department of Epidemiology, University of Texas at Houston - MD Anderson Cancer Center, affiliation not provided to SSRN and affiliation not provided to SSRN