Institution: | 1. Ludwig Boltzmann Institute of Clinical Gynecology and Obstetrics, Danube Hospital, Langobardenstrasse, Vienna, Austria;2. Cytogenetic Laboratory, Department of Pathology, Danube Hospital, Langobardenstrasse, Vienna, Austria;3. Cytogenetic Laboratory, Department of Pathology, B. C. Children's Hospital, Oak Street, Vancouver, Canada |