| Authors: |
Amuzie CI; Department of Community Medicine, Federal Medical Centre, Umuahia, Abia State, Nigeria.; Nigeria Field Epidemiology and Laboratory Training Program, Abuja, Nigeria., Kalu KU; Department of Community Medicine, Federal Medical Centre, Umuahia, Abia State, Nigeria., Izuka M; Department of Community Medicine, Federal Medical Centre, Umuahia, Abia State, Nigeria., Nkwo GE; Department of Community Medicine, Federal Medical Centre, Umuahia, Abia State, Nigeria., Nwamoh UN; Department of Community Medicine, Federal Medical Centre, Umuahia, Abia State, Nigeria., Metu K; Department of Community Medicine, Federal Medical Centre, Umuahia, Abia State, Nigeria., Emma-Ukaegbu U; Department of Community Medicine, Federal Medical Centre, Umuahia, Abia State, Nigeria.; Nigeria Field Epidemiology and Laboratory Training Program, Abuja, Nigeria., Okafor GO; Department of Community Medicine, Federal Medical Centre, Umuahia, Abia State, Nigeria., Odini F; Department of Community Medicine, Federal Medical Centre, Umuahia, Abia State, Nigeria. |