1. Roswell Park Comprehensive Cancer Center Buffalo New York USA
2. Peter MacCallum Cancer Centre Melbourne Victoria Australia
3. Mayo Clinic Rochester Minnesota USA
4. National University of Ireland Galway Galway Ireland
5. Duke University Medical Center Durham North Carolina USA
6. Auckland District Health Board Auckland New Zealand
7. Faculty of Medicine University of Iceland Reykjavík Iceland
8. Alfred Hospital Melbourne Victoria Australia
9. Centro Hospitalar de Lisboa Ocidental Hospital S. Francisco Xavier Lisbon Portugal
10. UK NEQAS for Leucocyte Immunophenotyping, Department of Haematology Royal Hallamshire Hospital Sheffield UK
11. MD Anderson Cancer Center Houston Texas USA
12. Hanusch Hospital Wien Austria
13. Tata Memorial Centre Mumbai Maharashtra India
14. Institute of Biomedical Sciences, Department of Physiology, Biochemistry, Microbiology and Laboratory Medicine, Faculty of Medicine Vilnius University Vilnius Lithuania
15. Laboratory Medicine Centre Vilnius University Hospital Santaros Clinics Vilnius Lithuania
16. Tel‐Aviv Sourasky Medical Center Tel‐Aviv Israel
17. University of Texas Southwestern Medical Center Dallas Texas USA
18. Cytognos SL Salamanca Spain