1. Sheffield Haemophilia and Thrombosis Centre Sheffield UK
2. Laboratory Corporation of America Holdings Burlington North Carolina USA
3. Peter MacCallum Cancer Centre Melbourne Victoria Australia
4. Department of Medical Biochemistry and Pharmacology Haukeland University Hospital Bergen Norway
5. Norwegian Organization for Quality Improvement of Laboratory Examinations (Noklus) Haraldsplass Deaconess Hospital Bergen Norway
6. Section of Clinical Biochemistry University of Verona Verona Italy
7. Research Department of Haematology University College London London UK
8. Department of Pathology University of New Mexico Albuquerque New Mexico USA
9. Christian Medical College Vellore India