ons and experiences of ART.MethodsThe overall project of which this study is a part ??? a multi-method staged enquiry into ART in Botswana, Lesotho and Swaziland ??? received approval from the CIET Trust ethical review committee in July 2005.The 13 sites in the study were a random cluster sample, stratified by district and by rural/urban/capital location, of enumeration areas from the 2001 census.