- Correspondence to Dr S Moore, Department of Health Promotion, Education and Behavior, Arnold School of Public Health, University of South Carolina, 915 Greene St. (Discovery 1), Rm. 529, USC, Columbia, SC 29208, USA;
- Received September 1, 2016
- Revised December 14, 2016
- Accepted December 29, 2016
- First published January 13, 2017.
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