1. Clinical Chemistry and Hematology Laboratory, Academic Hospital of Parma , Parma , Italy
2. U.O. Diagnostica Ematochimica, Azienda Ospedaliero-Universitaria di Parma, Via Gramsci 14, 43126 , Parma , Italy
3. Department of Family and Community Medicine, The University of Texas Health Science Center, Houston , TX , United States of America
4. Department of Laboratory Medicine, Comenius University Children’s Hospital , Bratislava , Slovakia
5. Clinical Chemistry and Immunology Laboratory, Department of Pathology, Stanford University Medical Center, Stanford , CA , United States of America
6. BD Diagnostics – Preanalytical Systems , Oxford , United Kingdom
7. Department Clinical Chemistry, Ghent University Hospital , Ghent , Belgium
8. Department of Medical Biosciences, Clinical Chemistry, Umea University , Umea , Sweden
9. Sheffield Haemophilia and Thrombosis Centre, Royal Hallamshire Hospital , Sheffield , United Kingdom
10. Department of Clinical Biochemistry and Pharmacology, Odense University Hospital , Odense , Denmark
11. Institut für Klinische Chemie und Laboratoriumsmedizin, Universitätsmedizin Greifswald , Greifswald , Germany
12. University Department of Chemistry, Sestre Milosrdnice University Hospital , Zagreb , Croatia
13. Charles University in Prague, University Hospital and School of Medicine Hradec Kralove , Hradec Kralove , Czech Republic
14. Department of Laboratory Medicine, University-Hospital , Padua , Italy
15. Laboratory of Clinical Biochemistry, Haukeland University Hospital , Bergen , Norway
16. Chair of the EFLM working group WG-Preanalytical phase , Oxford , United Kingdom