“…A majority of studies that have attempted to identify barriers to treatment entry and retention have primarily used qualitative methods and life history interviews to explore the nature of perceived barriers (Jessup et al, 2003;Kenny et al, 2011;Notley et al, 2012;van Olphen, Freudenberg, Fortin, & Galea, 2006;Redko, Rapp, & Carlson, 2006;Richie, 2001;Roberts & Nishimoto, 2006). Some have used interviewer administered surveys, or a self-administered questionnaire along with qualitative interviews (Masson et al, 2013;Venner et al, 2012).…”