1. Department of Public Health, Pharmacology and Toxicology, University of Nairobi, Nairobi, Kenya.
2. Department of Biomedical Sciences, Colorado State University, Fort Collins, Colorado.
3. Center for Global Health Research, Kenya Medical Research Institute, Kisumu, Kenya.
4. Paul G. Allen School for Global Animal Health, Washington State University, Pullman, Washington.
5. Wangari Maathai Institute for Peace and Environmental Studies, University of Nairobi, Nairobi, Kenya.
6. International Livestock Research Institute, Nairobi, Kenya.