1. Department of Laboratory Medicine , Paracelsus Medical University , Müllner Hauptstr. 48 , 5020 Salzburg , Austria , Phone: +43-57255-57263, Fax: +43-57255-23199
2. Laboratory Medicine Department , University Hospital Arnau de Vilanova, IRBLleida , Lleida , Spain
3. Clinical Chemistry Department , Worcester Acute Hospitals NHS Trust , Worcester , UK
4. Department of Clinical Biochemistry and Pharmacology , Odense University Hospital , Odense , Denmark
5. Department of Laboratory Medicine , Paracelsus Medical University , Salzburg , Austria
6. Institute of Laboratory Medicine , Kliniken Nordoberpfalz AG and Klinikum St. Marien , Weiden and Amberg , Germany
7. Section of Clinical Biochemistry , University of Verona , Verona , Italy
8. Department of Medical Laboratory Diagnostics , University Hospital “Sveti Duh” , Zagreb , Croatia