College of Veterinary Medicine and Agriculture, Addis Ababa University, P.O. Box 34, Debre Zeit, Ethiopia.
Feinstein International Center, Tufts University, Boston, UAS, Senior policy advisor, P.O. Box 1078, Addis Ababa, Ethiopia.
Institute of Biotechnology, College of Natural and Computational Sciences, Addis Ababa University, P.O. Box 1176, Addis Ababa, Ethiopia.
College of Medicine and Health Science, Wollo University, P. O. Box 1145, Wollo Dessie, Ethiopia.
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