1. Hereditary Cancer Center, Department of Genetics and Pathology; Pomeranian Medical University; Szczecin Poland
2. Discipline of Medical Genetics; University of Newcastle; Newcastle Australia
3. Division of Genetics; John Hunter Hospital; Newcastle Australia
4. Institute of Human Genetics; Polish Academy of Sciences; Poznań Poland
5. Department of General, Endocrinological Surgery and Gastroenterological Oncology; Poznan University of Medical Sciences; Poznań Poland
6. Holy Cross Cancer Center, Counselling Unit; Kielce Poland
7. Regional Oncology Center, Counselling Unit; Opole Poland
8. Regional Oncology Center, Counselling Unit; Świdnica Poland