1. Center for Craniofacial and Dental Genetics, Department of Oral Biology; School of Dental Medicine, University of Pittsburgh; Pittsburgh PA USA
2. The Genome Institute; Washington University School of Medicine; St. Louis MO USA
3. Department of Oral Maxillofacial Surgery; Peking University School of Stomatology; Beijing China
4. Department of Pediatrics; University of Texas Health Science Center at Houston; Houston TX USA
5. Department of Health Management and Policy; College of Public Health, University of Iowa; Iowa City IA USA
6. Department of Epidemiology; Institute of Public Health, University of Southern Denmark; Odense Denmark
7. Foundation for the Community Control of Hereditary Diseases; Budapest Hungary
8. Department of Surgery, Plastic and Reconstructive Surgery; University of Colorado School of Medicine; Denver CO USA
9. Department of Epidemiology, Bloomberg School of Public Health; Johns Hopkins University; Baltimore MD USA
10. Department of Microbiology and Molecular Genetics; Michigan State University; East Lansing MI USA
11. Department of Pediatrics, Carver College of Medicine; University of Iowa; Iowa City IA USA