1. Indiana University School of Dentistry, Department of Cariology, Operative Dentistry and Dental Public Health, Indianapolis, Indiana, United States
2. University of North Carolina at Chapel Hill, School of Dentistry Department of Operative Dentistry, Chapel Hill, North Carolina, United States
3. Indiana University School of Medicine, Department of Biostatistics, Indianapolis, Indiana, United States
4. Therametric Technologies, Inc., Noblesville, Indiana, United States