1. Veterinary Research Institute, Kenya Agricultural and Livestock Research Organisation, Nairobi, Kenya
2. Division of Immunology, Department of Human Pathology, University of Cape Town, Cape Town, South Africa
3. Centre for Molecular Biosciences and Genomics, Nairobi, Kenya
4. Department of Clinical Medicine and Therapeutics, University of Nairobi, Nairobi, Kenya
5. School of Health Sciences, Meru University of Science and Technology, Meru, Kenya
6. International Livestock Research Institute, Nairobi, Kenya
7. Department of Medical Biochemistry, School of Health Sciences, Kisii University, Kisii, Kenya