1. Department of Plastic Surgery; Ladoke Akintola University of Science and Technology; Osogbo Nigeria
2. Department of Biostatistics; Genetic Coordinating Center; University of Washington; Seattle Washington
3. Department of Orthodontics; University of Dundee; Dundee UK
4. Department of Pediatrics; University of Iowa; Iowa City Iowa
5. Kwame Nkrumah University of Science and Technology; Kumasi Ghana
6. School of Public Health; Addis Ababa University; Addis Ababa Ethiopia
7. Department of Oral and Maxillofacial Surgery; University of Lagos; Lagos Nigeria
8. Department of Pediatric Dentistry; University of Iowa; Iowa City Iowa
9. Department of Oral and Maxillofacial Surgery; Obafemi Awolowo University; Ile Ife Nigeria
10. State House Clinic; Abuja Nigeria
11. Department of Virology; Nigerian Institute of Medical Research; Lagos Nigeria
12. Division of Pediatric Surgery; Department of Surgery; University of Ilorin; Ilorin Nigeria
13. Department of Biostatistics; University of Nigeria; Nsukka Nigeria
14. Department of Oral Biology; Center for Craniofacial and Dental Genetics; University of Pittsburgh; Pittsburgh Pennsylvania
15. Department of Human Genetics; University of Pittsburgh; Pittsburgh Pennsylvania
16. National Human Genomic Research Institute; Bethesda Maryland
17. Department of Oral Pathology, Radiology and Medicine; University of Iowa; Iowa City Iowa