1. Animal Physiology Unit, Department of Zoology, University of Ibadan, Ibadan, Nigeria
2. State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, People’s Republic of China
3. Department of Biochemistry, College of Biosciences, Federal University of Agriculture Abeokuta, Abeokuta, Nigeria
4. Department of Analytical and Ecological Chemistry, University of Trier, Trier, Germany