[1] Kamuzu Univ Hlth Sci, Child Hlth Nursing, Blantyre, Malawi
[2] Consortium Adv Res Training Africa, Nairobi, Kenya
[3] Univ Witwatersrand, Nursing Educ, Johannesburg, South Africa
[4] Kamuzu Univ Hlth Sci, Lib, Blantyre, Malawi
[5] Univ Witwatersrand, Sch Publ Hlth, Johannesburg, South Africa