[1] Univ Gondar, Coll Med & Hlth Sci, Sch Nursing, Dept Pediat & Child Hlth Nursing, Gondar, Ethiopia
[2] Univ Gondar, Inst Publ Hlth, Coll Med & Hlth Sci, Dept Hlth Syst & Policy, Gondar, Ethiopia
[3] Univ Gondar, Inst Publ Hlth, Coll Med & Hlth Sci, Dept Epidemiol & Biostat, Gondar, Ethiopia
[4] Univ Gondar, Inst Publ Hlth, Coll Med & Hlth Sci, Dept Reprod Hlth, Gondar, Ethiopia
[5] Univ Gondar, Inst Publ Hlth, Coll Med & Hlth Sci, Dept Hlth Promot & Hlth Behav, Gondar, Ethiopia
[6] Univ Gondar, Coll Med & Hlth Sci, Dept Human Anat, Gondar, Ethiopia