1. Department of Oral Pathology Radiology and Medicine College of Dentistry University of Iowa Iowa City Iowa
2. Department of Orthodontics University of Dundee Dundee Scotland
3. College of Medicine University of Lagos Lagos Nigeria
4. Addis Ababa University Addis Ababa Ethiopia
5. Obafemi Awolowo University Ile‐Ife Nigeria
6. Center for Research on Genomics and Global Health National Human Genome Research Institute National Institutes of Health Bethesda Maryland