Meaza, Abyot
Kebede, Abebaw
Yaregal, Zelalem
Dagne, Zekarias
Moga, Shewki
Yenew, Bazezew
Diriba, Getu
Molalign, Helina
Tadesse, Mengistu
Adisse, Desalegn
Getahun, Muluwork
Desta, Kassu
Funding for this research was provided by:
Ethiopian Public Health Institute
Addis Ababa University