1. Department of Pathology; Massachusetts General Hospital; Harvard Medical School; Boston MA USA
2. Department of Pathology; University of California San Francisco; San Francisco CA USA
3. Department of Pathology; The Johns Hopkins University School of Medicine; Baltimore MD USA
4. Department of Pathology; St. Jude Children's Research Hospital; Memphis TN USA
5. Department of Neuropathology; Heinrich Heine University; Duesseldorf Germany
6. Clinical Cooperation Unit Neuropathology; German Cancer Consortium (DKTK); German Cancer Research Center (DKFZ); Heidelberg Germany
7. Department of Neuropathology; Institute of Pathology; Ruprecht-Karls-University; Heidelberg Germany
8. Department of Pathology; Princess Margaret Hospital; Toronto Canada
9. Department of Pathology and Laboratory Medicine; Emory University School of Medicine; Atlanta GA USA
10. Department of Pathology; University of Cambridge; Cambridge UK
11. Department of Pathology and Neuropathology; La Timone Hospital; Aix Marseille University; Marseille France
12. Department of Pathology; The University of Texas M. D. Anderson Cancer Center; Houston TX USA
13. Department of Radiological; Oncological and Anatomo-Pathological Sciences; University La Sapienza; Rome
14. IRCCS Neuromed; Pozzilli Italy
15. Department of Laboratory Medicine and Pathology; Mayo Clinic; Rochester MN USA
16. Department of Paediatric Laboratory Medicine; The Hospital for Sick Children; University of Toronto; Toronto Canada
17. Medical Faculty; University of Zurich; Switzerland
18. Department of Neuropathology; Heidelberg University Hospital; Heidelberg Germany
19. Department of Pathology; Erasmus Medical Center; Rotterdam The Netherlands
20. Department of Pathology; University of Virginia School of Medicine; Charlottesville VA USA
21. Department of Anatomical Pathology and Cellular Pathology; The Chinese University of Hong Kong; Hong Kong
22. International Agency for Research on Cancer (IARC); Lyon France
23. Institute of Neuropathology; University Hospital Münster; Münster Germany
24. Institute of Neuropathology; Brain Tumor Reference Center; University of Bonn; Bonn Germany
25. Department of Pathology; Memorial Sloan-Kettering Cancer Center; New York NY USA
26. Institute for Neuropathology; University Hospital of Zurich; Zurich Switzerland
27. Department of Pathology; Hacettepe University; Ankara Turkey
28. German Cancer Research Center (DKFZ); Heidelberg Germany
29. Department of Pathology; VU University Medical Center; Amsterdam The Netherlands
30. Department of Pathology; Radboud University Medical Center; Nijmegen The Netherlands