1. Department of Obstetrics and Gynecology, Medical University of Innsbruck, Innsbruck 6020, Austria
2. Division of Human Genetics, Medical University of Innsbruck, Innsbruck 6020, Austria
3. Present address: Division Biological Chemistry, Biocenter, Innsbruck, Medical University of Innsbruck, Innsbruck 6020, Austria
4. Institute of Pathology, Medical University of Innsbruck, Innsbruck 6020, Austria
5. Department of Pathology, Hospital Graz Süd-West, Academic Teaching Hospital of the Medical University Graz, Graz 8020, Austria