1. College of Dentistry, University of Tennessee Health Science Center, 875 Union Avenue, Memphis, TN 38163, USA
2. Department of General Dentistry, College of Dentistry, University of Tennessee Health Science Center, 875 Union Avenue, Memphis, TN 38163, USA
3. Department of Bioscience Research, College of Dentistry, University of Tennessee Health Science Center, 875 Union Avenue, Memphis, TN 38163, USA
4. Transformation Center, 1088 Rogers Road, Cordova, TN 38018, USA
5. Department of Preventive Medicine, College of Medicine, University of Tennessee Health Science Center, 66 N Pauline, Memphis, TN 38163, USA