[1] UCT, Cape Town, South Africa
[2] Stellenbosch Univ Council, Neurosurg, Stellenbosch, South Africa
[3] Mediclin Int, Stellenbosch, South Africa
[4] Paediat & Child Hlth, Stellenbosch, South Africa
[5] Stellenbosch Univ, WHO Collaborating Ctr Bioeth, Fac Med & Hlth Sci, Dept Med,Div Med Ethics & Law, Stellenbosch, South Africa
[6] Univ Cape Town, Sch Publ Hlth & Family Med, Cape Town, South Africa
[7] Univ Cape Town, Cape Town, South Africa
[8] Family practice, Uitenhage, South Africa
[9] SAMA East Cape branch, East London, South Africa
[10] HPCSA, Pretoria, South Africa