1. Division of Biosciences, The Ohio State University College of Dentistry, Columbus, Ohio, USA
2. Center of Excellence in Oral and Craniofacial Biology, Louisiana State University Health Center School of Dentistry, New Orleans, Louisiana, USA
3. Division of Infectious Diseases, Department of Medicine, Augusta University, Medical College of Georgia, Augusta, Georgia, USA
4. Section of Infectious Diseases, Department of Medicine, Louisiana State University Health Sciences Center, New Orleans, Louisiana, USA
5. Division of Pediatric Dentistry, The Ohio State University College of Dentistry, Columbus, Ohio, USA