1. Department of Primary Dental Care; University of Minnesota; Minneapolis MN USA
2. Division of Preventive Medicine; University of Alabama; Birmingham AL USA
3. HealthPartners Institute for Education and Research; Minneapolis MN USA
4. HealthPartners White Bear Lake Dental Clinic; HealthPartners Dental Group; White Bear Lake MN USA
5. Permanente Dental Associates; Portland OR USA
6. Private Practice; General Dentistry; Miami FL USA
7. Department of Clinical & Community Sciences, School of Dentistry; University of Alabama at Birmingham; Birmingham AL USA