1. Department of Pediatric Dentistry and Orthodontics; College of Dentistry; King Saud University; Riyadh Saudi Arabia
2. Department of Restorative Dentistry; University of São Paulo School of Dentistry; Cidade Universitária; São Paulo Brazil
3. Private practice; Kent WA USA
4. Bioresearch Core Facility; Indiana University School of Dentistry; Indianapolis IN USA
5. Oral Health Research Institute; Department of Cariology; Operative Dentistry and Dental Public Health; Indiana University School of Dentistry; Indianapolis IN USA
6. Department of Biostatistics; Indiana University School of Medicine; Indianapolis IN USA