1. Department of Pediatric Dentistry and Dean University of Iowa College of Dentistry and Dental Clinics Iowa City IA USA
2. University of Iowa College of Dentistry and Dental Clinics Iowa City IA USA
3. Department of Oral Pathology Radiology and Medicine University of Iowa College of Dentistry and Dental Clinics Iowa City IA USA
4. Preventive and Community Dentistry University of Iowa College of Dentistry and Dental Clinics Iowa City IA USA
5. Department of Prosthodontics University of Iowa College of Dentistry and Dental Clinics Iowa City IA USA