1. Cancer Research and Molecular Biology Laboratories, Biochemistry Department, Faculty of Basic Medical Sciences University of Ibadan Ibadan Nigeria
2. Cancer Immunology and Biotechnology Center The University of Nottingham Nottingham UK
3. Molecular Drug Metabolism and Toxicology Research Laboratories, Biochemistry Department, Faculty of Basic Medical Sciences University of Ibadan Ibadan Nigeria
4. School of Chemistry & Biochemistry Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology Atlanta GA USA