1. Service d'Hématologie Biologique; University Hospital; Nancy France
2. Sciences Academy; Nancy France
3. Service d'Epidémiologie et Evaluation Cliniques; University Hospital; Nancy France
4. Service de Biologie Polyvalente; District Hospital; Villefranche de Rouergue; France
5. Working Group on Guidelines of the French Society of Clinical Biology; Nancy France
6. Department of Clinical Chemistry; Atrium Medical Centre; Heerlen The Netherlands
7. Joint Working Group on Guidelines of the European Federation of Clinical Chemistry and Laboratory Medicine; Nancy France
8. European Union of Medical Specialists; Nancy France