“…The majority of studies were European (Barker et al, 2017; Bianco et al, 2019; Cammidge et al, 2016; Downey et al, 2015; Duguépéroux et al, 2006; Frankl and Hjelte, 2004; Lauritsen and Pressler, 2008; Ullrich et al, 2015a, 2015b, 2015c), four studies were conducted in the United Kingdom (Barker et al, 2017; Bianco et al, 2019; Cammidge et al, 2016; Downey et al, 2015), and half used qualitative designs (Barker et al, 2017; Cammidge et al, 2016; Downey et al, 2015; Hailey et al, 2019; Jessup et al, 2018). Three articles described different parts of a larger study, using the same sample (Ullrich et al, 2015a, 2015b, 2015c) or a portion of the larger sample (Ullrich et al, 2015a, 2015b).…”