1. Department of Endocrinology, School of Medicine, University of North Carolina, NC, USA
2. Wood County Schools, Vienna, WV, USA
3. Mid-Ohio Valley Health Department, Parkersburg, WV, USA
4. School of Public Health, West Virginia University, Morgantown, WV, USA
5. Department of Pediatrics, School of Medicine, West Virginia University, Morgantown, WV, USA