Authors: Benjamin H Chi; Albert Mwango; Mark J Giganti; Izukanji Sikazwe; Crispin Moyo; Linnaea Schuttner; Lloyd B Mulenga; Carolyn Bolton-Moore; Namwinga T Chintu; Robert Sheneberger; Elizabeth M Stringer; Jeffrey S A Stringer Journal: J Acquir Immune Defic Syndr Date: 2011-12-15 Impact factor: 3.731