1. Department of Clinical Chemistry and Laboratory Medicine , Leiden University Medical Center , Postzone E2-P, Albinusdreef 2 , 2333 ZA Leiden , The Netherlands , Phone: +31-71526-6397
2. Department of Clinical Chemistry and Laboratory Medicine , Leiden University Medical Center , Leiden , The Netherlands
3. ECAT Foundation , Voorschoten , The Netherlands
4. HYPHEN BioMed , Neuville sur Oise , France