1. Oromia Regional Health Bureau, Addis Ababa P.O. Box 24341, Ethiopia
2. Health Sciences Unit, Faculty of Social Sciences, Tampere University, 33100 Tampere, Finland
3. Global Immunization Division, Centers for Disease Control and Prevention, Atlanta, GA 30329, USA
4. Global One Health Initiative, Ohio State University, Addis Ababa P.O. Box 1176, Ethiopia
5. College of Medicine, Ohio State University, Columbus, OH 43210, USA
6. Global Immunization Division, CDC-Ethiopia, Addis Ababa P.O. Box 3243, Ethiopia
7. UNICEF, Addis Ababa P.O. Box 1169, Ethiopia
8. Ministry of Health of Ethiopia, Addis Ababa P.O. Box 1234, Ethiopia
9. African Field Epidemiology Network, Addis Ababa P.O. Box 12874, Ethiopia
10. Ethiopian Public Health Institute, Addis Ababa P.O. Box 1242, Ethiopia