1 Semmelweis University, First Department of Pathology and Experimental Cancer Research, Budapest, Hungary.
2 Semmelweis University, Department of Anatomy, Histology and Embryology, Budapest, Hungary.
3 Department of Surgery, Budai Irgalmasrendi Hospital, Budapest, Hungary.
4 Semmelweis University, First Department of Pathology and Experimental Cancer Research, Budapest, Hungary; Tumor Progression Research Group, Joint Research Organization of the Hungarian Academy of Sciences and Semmelweis University, Budapest, Hungary. Electronic address: [email protected].