1. Service of Clinical Biochemistry, Miguel Servet University Hospital , Zaragoza , Spain
2. Commission of Evidence-Based Laboratory Medicine, Spanish Society of Laboratory Medicine (SEQC ) , Barcelona , Spain
3. Service of Laboratory Medicine, Fundació Hospital de l’Esperit Sant, Santa Coloma de Gramenet , Barcelona , Spain
4. Laboratory Clinical Management Unit, Hospital de la Axarquía (AGSEMA) , Málaga , Spain
5. Service of Biochemistry and Molecular Genetics (CDB), Hospital Clinic, IDIBAPS , Barcelona , Spain
6. Commission of Evidence-Based Laboratory Medicine, International Federation of Clinical Chemistry (IFCC) , Milan , Italy
7. Clinical Biochemistry Management Unit (UGC), Hospital Clínico San Carlos , Madrid , Spain
8. Service of Laboratory Medicine, Hospital Universitari Son Espases , Palma de Mallorca , Spain
9. Service of Clinical Biochemistry, Hospital Clínico Universitario Juan Ramón Jiménez , Huelva , Spain
10. Synlab Diagnosticos Globales , Sevilla , Spain
11. Service of Laboratory Testing and Clinical Biochemistry, Santa Lucía University Hospital , Cartagena , Spain
12. Research Unit, Research Foundation, Mutua de Terrassa, University of Barcelona , Barcelona , Spain
13. Laboratory of Toxicology, Universitat Autònoma de Barcelona , Barcelona , Spain