1. 1Department of Pathology, PreludeDx, Laguna Hills, California
2. 2Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
3. 3Department of Pathology & Center for Biospecimen Research and Development, NYU Grossman School of Medicine, New York, New York
4. 4Institute of Cancer & Genetics and Department of Cancer Pathology, Cardiff University, Cardiff, Wales, United Kingdom
5. 5Department of Pathology and Laboratory Medicine, University of Saskatchewan & Saskatoon Health Authority, Saskatoon, Saskatchewan, Canada
6. 6Department of Pathology, Institute of Biomedical Science, The Cancer Institute, University College, London Research, London, United Kingdom
7. 7NordiQC, Aalborg, Denmark
8. 8Department of Pathology, Aalborg University Hospital, Aalborg, Denmark
9. 9Department of Pathology, NewYork-Presbyterian/Columbia University Irving Medical Center, New York, New York
10. 10Department of Pathology, University of Saskatchewan & Saskatoon Health Authority, Royal University Hospital, Saskatoon, Saskatchewan, Canada
11. 11Department of Pathology, Boston Cell Standards & Tufts Medical Center, Boston, Massachusetts
12. 12Department of Immunocytochemistry and In-Situ Hybridisation, UK NEQAS-ICC/ISH, London, United Kingdom
13. 13Department of Pathology, Isala, Zwolle, The Netherlands