1. Department of Histopathology; Nottingham City Hospital NHS Trust; Nottingham University; Nottingham UK
2. Departments of Pathology and Internal Medicine; Clarian Pathology Laboratory of Indiana University; Indianapolis IN USA
3. Sezione Anatomia Istologia e Citologia Patologica ‘M. Malpighi’; Università-ASL Ospedale Bellaria; Bologna Italy
4. Department of Pathology; Memorial Sloan Kettering Cancer Center; New York NY USA
5. Pathology Department; Peter MacCallum Cancer Centre; St Andrews Place East Melbourne Victoria Australia
6. University of Pittsburgh Medical Center; Pittsburgh PA USA
7. German Breast-Screening Program; Reference Centres Berlin and Muenster; Department of Pathology; Dietrich Bonhoeffer Medical Centre; Neubrandenburg Germany
8. Department of Pathology; Nagoya Medical Center; Nagoya Japan
9. Department of Pathology; Hospital Universitario Ramón y Cajal; Instituto de Investigación Sanitaria Ramón y Cajal (IRYCIS); Madrid Spain
10. Department of Pathology; Brigham and Women's Hospital; Boston MA USA
11. Department of Pathology; Institute Curie; Paris France
12. Department of Medicine and Pathology; Laboratoire National De Santé; Luxembourg Luxembourg
13. Department of Pathology; Singapore General Hospital; Singapore Singapore
14. Department of Anatomical and Cellular Pathology; Prince of Wales Hospital; The Chinese University of Hong Kong; Shatin Hong Kong