[1] Univ Cape Town, Inst Infect Dis & Mol Med, Div Human Genet, Dept Pathol,Fac Hlth Sci, Cape Town, South Africa
[2] Univ Cape Town, Inst Infect Dis & Mol Med, Computat Biol Div, Dept Integrat Biomed Sci,Fac Hlth Sci, Cape Town, South Africa
[3] Univ Cape Town, Dept Psychiat & Mental Hlth, Cape Town, South Africa
[4] Stellenbosch Univ, Dept Psychiat, Fac Med & Hlth Sci, Cape Town, South Africa
[5] Univ Minnesota Twin Cities, Dept Anim Sci, St Paul, MN USA