1. Department of Laboratory Medicine , Paracelsus Medical University , Salzburg , Austria
2. Department of Laboratory Medicine and Pathology , University of Washington , Seattle , WA , USA
3. Department of Laboratory Medicine , Pyhrn-Eisenwurzen Klinikum, General Hospital Steyr , Steyr , Austria
4. Department of Nursing , Umeå University, The Unit of Research and Education, The County Council of Västerbotten , Umeå , Sweden
5. Clinical Chemistry Department , Worcester Acute Hospitals NHS Trust , Worcester , UK
6. Laboratory Medicine Department , University Hospital Arnau de Vilanova, IRBLleida , Lleida , Spain
7. North Devon District Hospital , Devon , UK
8. Clinical Laboratory , Carlo Poma Hospital , Mantua , Italy
9. Latin American Working Group for Preanalytical Phase (WG-PRE-LATAM) , Latin America Confederation of Clinical Biochemistry (COLABIOCLI) , Montevideo , Uruguay
10. Section of Clinical Biochemistry and School of Medicine , University of Verona , Verona , Italy
11. Honorary Professor of Clinical Biochemistry and Clinical Molecular Biology, School of Medicine , University of Padova , Padova , Italy
12. Department of Medical Laboratory Diagnostics , University Hospital “Sveti Duh” , Zagreb , Croatia
13. Faculty of Pharmacy and Biochemistry , University of Zagreb , Zagreb , Croatia
14. Institute for Laboratory Medicine and Medical Microbiology, Munich Clinics , Munich , Germany