Departments of *Pathology
‡Gynecology and Obstetrics, Medical Faculty Pilsen, Charles University and Charles University Hospital Pilsen
†Bioptická laboratoř, s.r.o., Pilsen
§Department of Pathology, The First Medical Faculty Charles University and Charles University Hospital Prague Prague, Czech Republic
∥Department of Pathology, Slovak Medical University in Bratislava Bratislava, Slovak Republic
¶Department of Pathology, Medical Faculty, University of Debrecen Debrecen, Hungary
#Department of Pathology, University of British Columbia, Royal Columbian Hospital, Vancouver, BC, Canada
Conflicts of Interest and Source of Funding: The authors have disclosed that they have no significant relationships with, or financial interest in, any commercial companies pertaining to this article.