1. Department of Biostatistics; Graduate School of Public Health; University of Pittsburgh; Pittsburgh Pennsylvania United States of America
2. Department of Pediatrics; Carver College of Medicine; University of Iowa; Iowa City Iowa United States of America
3. Department of Orthodontics; College of Dentistry; University of Iowa; Iowa City Iowa United States of America
4. Department of Human Genetics; Graduate School of Public Health; University of Pittsburgh; Pittsburgh Pennsylvania United States of America
5. Department of Oral Pathology; Radiology and Medicine; Dows Institute for Dental Research; College of Dentistry; University of Iowa; Iowa City Iowa United States of America
6. Dental and Craniofacial Genomics Center; School of Dental Medicine; University of Puerto Rico; San Juan Puerto Rico
7. CEMIC: Center for Medical Education and Clinical Research; Buenos Aires Argentina
8. Department of Epidemiology; Institute of Public Health; University of Southern Denmark; Odense Denmark
9. Department of Surgery; Plastic and Reconstructive Surgery; University of Colorado School of Medicine; Denver Colorado United States of America
10. Department of Pediatrics; McGovern Medical School and School of Dentistry UT Health at Houston; Houston Texas United States of America
11. Department of Medical Genetics; University of British Columbia; Vancouver Canada
12. Division of Oral and Maxillofacial Surgery; Graduate School of Dentistry; Tohoku University; Sendai Japan
13. School of Dentistry; Mongolian National University of Medical Sciences; Ulaanbaatar Mongolia
14. Division of Research and Treatment for Oral and Maxillofacial Congenital Anomalies; School of Dentistry; Aichi-Gakuin University; Nisshin Japan
15. ECLAMC (Latin American Collaborative Study of Congenital Malformations) at INAGEMP (National Institute of Population Medical Genetics); Rio de Janeiro Brazil
16. Department of Genetics; Institute of Biology; Federal University of Rio de Janeiro; Rio de Janeiro Brazil
17. Department of Pediatrics; College of Medicine; University of the Philippines Manila; Manila Philippines
18. Institute of Human Genetics, National Institutes of Health; University of the Philippines Manila; Manila Philippines
19. Department of Oral Biology; Center for Craniofacial and Dental Genetics; School of Dental Medicine; University of Pittsburgh; Pittsburgh Pennsylvania United States of America
20. Department of Health Management and Policy; College of Public Health; University of Iowa; Iowa City Iowa United States of America
21. Department of Epidemiology; Johns Hopkins Bloomberg School of Public Health; Baltimore Maryland United States of America
22. Department of Human Genetics; Emory University School of Medicine; Emory University; Atlanta Georgia United States of America