[1] Felege Hiote Specialized Referral Hosp, Dept Med Lab, Bahir Dar, Ethiopia
[2] Debre Markos Univ, Coll Hlth Sci, Dept Publ Hlth, Debre Markos, Ethiopia
[3] Bahir Dar Univ, Coll Med & Hlth Sci, Dept Epidemiol & Biostat, Bahir Dar, Ethiopia
[4] Bahir Dar Univ, Dept Midwifery, Coll Med, Bahir Dar, Ethiopia
[5] Bahir Dar Univ, Sch Hlth Sci, Bahir Dar, Ethiopia