1. Center to Address Disparities in Children’s Oral Health, School of Dentistry, University of California, San Francisco, USA
2. Department of Preventive and Restorative Dental Sciences, School of Dentistry, University of California, San Francisco, USA
3. School of Dentistry, University of North Carolina, Chapel Hill, USA
4. Section of Pediatrics, School of Dentistry, University of California, Los Angeles, USA