1. Department of Medical Laboratory Sciences, College of Health Sciences, Addis Ababa University, P.O. Box 1176, Addis Ababa, Ethiopia
2. Clinical Laboratory, Fitche Hospital, P.O. Box 46, Oromia Administrative Region, Ethiopia
3. Department of Obstetrics and Gynecology, St Paul’s Hospital Millennium Medical College, P.O. Box 1271, Addis Ababa, Ethiopia
4. Department of Clinical Bacteriology and Mycology, Ethiopian Public Health Institute, P.O. Box 1242, Addis Ababa, Ethiopia