1. Surrey
2. UK
3. Trace Elements Laboratory
4. Department of Clinical Biochemistry
5. Sandwell General Hospital
6. West Bromwich
7. The Australian Wine Research Institute
8. Glen Osmond
9. Australia
10. LGC
11. Teddington
12. Charing Cross Hospital
13. London
14. Istituto Superiore di Sanità
15. 00161 Roma
16. Italy