1. Department of Orthodontics and Craniofacial Anomalies Poznan University of Medical Sciences Poznan Poland
2. Department of Biochemistry and Molecular Biology Poznan University of Medical Sciences Poznan Poland
3. Department of Medical Genetics Poznan University of Medical Sciences Poznan Poland
4. Department of Clinical Psychology Poznan University of Medical Sciences Poznan Poland
5. Psychiatry Robert Wood Johnson Medical School, Rutgers University New Brunswick New Jersey USA
6. Department of Medical Genetics Warsaw Medical University Warsaw Poland