1. Department of Pathology; Memorial Sloan Kettering Cancer Center; New York USA
2. Department of Pathology, Patras General Hospital; University of Patras; Greece
3. Department of Pathology, Hospital Israelita Albert Einstein; Instituto Israelita de Ensino e Pesquisa; São Paulo Brazil
4. Gynaecology Service, Department of Surgery; Memorial Sloan Kettering Cancer Center; New York USA
5. Department of Pathology; Cleveland Clinic; Cleveland OH USA