1. Department of Oral Health Practice & Center for Oral Health Research; College of Dentistry; University of Kentucky; Lexington KY USA
2. Department of Statistics; College of Arts and Sciences and Department of Biostatistics; College of Public Health; University of Kentucky; Lexington KY USA
3. Division of Cardiovascular Medicine; Department of Internal Medicine; College of Medicine; University of Kentucky; Lexington KY USA
4. College of Dentistry; University of Pennsylvania; Philadelphia PA USA
5. Department of Biomaterials; New York University College of Dentistry; New York NY USA
6. Departments of Bioengineering and Chemistry; Rice University; Houston TX USA