1. School of Pharmacy and Biomedical Sciences
2. University of Central Lancashire
3. Preston PR1 2HE
4. UK
5. Institute of Chemistry
6. Biological Chemistry and Chemometrics
7. Federal University of Rio Grande do Norte
8. Natal 59072-970
9. Brazil
10. Pathology Department
11. Lancashire Teaching Hospitals NHS Foundation
12. Preston PR2 9HT
13. Department of Obstetrics and Gynaecology