1. Children's Hospital of Georgia and Medical College of Georgia, Augusta University, Augusta, Georgia, USA.
2. Department of Oral Biology and Diagnostic Sciences, Dental College of Georgia, Augusta University, Augusta, Georgia, USA.
3. Center for Excellence in Research, Scholarship and Innovation, Dental College of Georgia, Augusta University, Augusta, Georgia, USA.
4. Department of Pediatrics, Medical College of Georgia, Augusta University, Augusta, Georgia, USA.