1. Division of Clinical Pathology/Cytology; Department of Laboratory Medicine; Karolinska Institutet; Karolinska University Hospital Huddinge; Huddinge Sweden
2. Department of Radiological, Oncological and Pathological Sciences; Sapienza University; Rome Italy
3. Rush University Medical College; Chicago IL USA
4. Leiden Cytology and Pathology Laboratory; Lieveren The Netherlands
5. National Centre for Asbestos Related Disease; School of Medicine and Pharmacology; University of Western Australia; QEII Medical Centre; Perth WA Australia
6. Department of Pathology; The Norwegian Radium Hospital; Oslo University Hospital; Oslo Norway
7. Department of Laboratory Medicine in Malmö; Lund University; Malmö University Hospital; Malmö Sweden
8. Department of Medicine; University of Padova; Padova Italy
9. Department of Anatomical Pathology; St Vincents Hospital; Sydney NSW Australia
10. Istanbul University; Istanbul Faculty of Medicine; Istanbul Turkey
11. Division of Pathology; Yamaguchi Grand Medical Center; Hofu Japan
12. Cancer Education and Research Center; Osaka University Graduate School of Medicine; Osaka Japan
13. Department of Pathology; Case Western Reserve University/University Hospitals Case Medical Center; Cleveland OH USA
14. Department of Pathology; Faculty of Medicine; Hacettepe University; Ankara Turkey
15. Department of Tissue Pathology; PathWest Laboratory Medicine WA; QE2 Medical Centre; Perth WA Australia
16. Department of Biopathology; Gustave Roussy Comprehensive Cancer Center; Villejuif France