1. Department of Health Science, The University of Alabama, Tuscaloosa, AL 35487, USA
2. Department of Health Outcomes and Biomedical Informatics, The University of Florida, 2199 Mowry Road, Gainesville, FL 32611, USA
3. Division of Quantitative Sciences, University of Florida Health Cancer Center, The University of Florida, 2033 Mowry Road, Gainesville, FL 32610, USA
4. Department of Biostatistics, The University of Florida, 2004 Mowry Road, Gainesville, FL 32603, USA
5. Department of Anthropology, Florida State University, 2035 E Paul Dirac Drive Suite 206, Tallahassee, FL 32310, USA
6. College of Community Health Sciences, The University of Alabama, 211 Peter Bryce Boulevard, Tuscaloosa, AL 35401, USA