1. Laboratory of Toxicology, Department of Environmental Veterinary Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan
2. Water Research Group, Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
3. Department of Chemistry, College of Natural and Computational Science, University of Gondar, Gondar, Ethiopia
4. Department of Zoology, University of Johannesburg, Johannesburg, South Africa
5. Food Control Department, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
6. Department of Environmental Veterinary Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan