1. National Center of Pathology, Affiliate of Vilnius University Hospital Santariskiu Klinikos, Vilnius, Lithuania
2. Faculty of Medicine, Vilnius University, Vilnius, Lithuania
3. Institute of Oncology, Vilnius University, Vilnius, Lithuania
4. GRECAN, University of Caen and F. Baclesse Comprehensive Cancer Center, Caen, France
5. Pathology Department, F. Baclesse Comprehensive Cancer Center, Caen, France