1. Department of Orthodontics; School of Dentistry; Showa University; Tokyo Japan
2. Department of Bioinformatics and Genomics, Graduate School of Advanced Preventive Medical Sciences; Kanazawa University; Ishikawa Japan
3. Center for Craniofacial and Dental Genetics, Department of Oral Biology; University of Pittsburgh; Pittsburgh Pennsylvania
4. Department of Human Genetics, Graduate School of Public Health; University of Pittsburgh; Pittsburgh Pennsylvania
5. Clinical and Translational Science Institute, School of Medicine; University of Pittsburgh; Pittsburgh Pennsylvania
6. Department of Psychiatry, School of Medicine; University of Pittsburgh; Pittsburgh Pennsylvania
7. Department of Anthropology; University of Pittsburgh; Pittsburgh Pennsylvania