“…The first difficulty in attempting to answer the question of epidemiological variability is that cross-cultural comparative studies are plagued by problems regarding sampling, accessibility of populations, and reliability and validity of diagnoses (Hinton & Lewis-Fernández, 2011;Joyce, 2008;Olatawura, 200l). For example, a review of the literature since 1994 on cultural or race/ethnicity-related factors that may limit the universal applicability of the diagnostic criteria for anxiety disorders revealed mismatches between the DSM criteria and the local phenomenology in specific cultural contexts (Lewis-Fernández et al, 2010). Rossier, Ouedraogo, Dahourou, Verardi, and De Stadelhofen (2013) also point to the difficulty, when conducting research in Africa, of assessing measurement equivalence.…”