1. Scientific and Business Relations Manager , National Serology Reference Laboratory , Fitzroy , Australia
2. National Serology Reference Laboratory , Melbourne , Australia
3. University-Hospital of Padova , Padova , Italy
4. Department of Clinical Biochemistry , University of Verona , Verona , Italy
5. Vanderbilt University Medical Center , Nashville , TN , USA
6. Scientific Consultant , Eichenau , Germany