Authors: Karin van den Berg; James van Hasselt; Evan Bloch; Robert Crookes; James Kelley; Jonathan Berger; Charlotte Ingram; Anel Dippenaar; Rajendra Thejpal; Neil Littleton; Tersia Elliz; Gary Reubenson; Mark Cotton; Jennifer C Hull; Pamela Moodley; Yasmin Goga; William Eldridge; Moosa Patel; Eric Hefer; Arthur Bird Journal: South Afr J HIV Med Date: 2012-06-07 Impact factor: 2.744