1. Department of Pediatrics, West Virginia University School of Medicine, Morgantown, WV; Department of lnternal Medicine, West Virginia University School of Medicine, Morgantown, WV; Robert C. Byrd Health Sciences Center of West Virginia University, HSC PO Box 9214, Morgantown, WV 26506
2. Department of Pediatrics, West Virginia University School of Medicine, Morgantown, WV
3. Department of Internal Medicine, West Virginia University School of Medicine, Morgantown, WV
4. Department of Pediatrics, West Virginia University School of Medicine, Morgantown, WV; Department of Pediatrics Infectious Disease, West Virginia University School of Medicine, Morgantown, WV