1. College of Dentistry; The University of Iowa; Iowa City Iowa
2. Department of Pediatrics; The University of Iowa; Iowa City Iowa
3. Dows Institute for Dental Research; The University of Iowa; Iowa City Iowa
4. Department of Orthodontics; College of Dentistry; The University of Iowa; Iowa City Iowa
5. Department of Dermatology; Mayo Clinic; Rochester Minnesota
6. Department of Otorhinolaryngology; Mayo Clinic; Rochester Minnesota
7. Department of Health and Management Policy; College of Public Health; The University of Iowa; Iowa City Iowa