[1] Umduduzi Hosp Care Children, Durban, South Africa
[2] Univ KwaZulu Natal, Fac Hlth Sci, Dept Paediat, Durban, South Africa
[3] Univ KwaZulu Natal, Fac Hlth Sci, Dept Family Med, Durban, South Africa
[4] Butterfly Palliat Home, Ingwavuma, South Africa
[5] Univ KwaZulu Natal, Dept Hlth, Fac Family Med, Mosvold Hosp, Ingwavuma, South Africa