1. Department of Pathology; Ankara Training and Research Hospital; Ankara Turkey
2. Department of Pathology; Peking University; Health Science Center; Beijing China
3. Department of Pathology; Charles University; Medical Faculty and Charles University Hospital Plzen; Plzen Czech Republic
4. Department of Pathology; Faculty of Medicine; University of British Columbia; Royal Columbian Hospital; Vancouver BC Canada
5. Clinical Hospital Center Sestre Milosrdnice; Medical Faculty Zagreb; Zagreb Croatia
6. Department of Pathology; Instituto Nacional de Cancerologia; Mexico City Mexico
7. Department of Urology; Charles University; Medical Faculty and Charles University Hospital Plzen; Plzen Czech Republic