1. Department of Environmental Health Sciences, Fay W. Boozman College of Public Health, University of Arkansas for Medical Sciences, Little Rock, AR, USA
2. Department of Epidemiology, Fay W. Boozman College of Public Health, University of Arkansas for Medical Sciences, Little Rock, AR, USA
3. Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA
4. Department of Biostatistics, Fay W. Boozman College of Public Health, University of Arkansas for Medical Sciences, Little Rock, AR, USA
5. Division of Infectious Disease, Department of Internal Medicine, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, USA
6. Center for Dietary Supplements Research, University of Arkansas for Medical Sciences, Little Rock, AR, USA