“…Studies varied in methodologies: 12 studies were quantitative, four were qualitative and two studies used a mixed methods approach. Study limitations included having a small sample size (Jiwa and Dhaliwal, 2012;Corwin and Bolter, 2014), and being limited to a single region or health service network (Shaw and de Berker, 2007;Evans, 2009;Hysong et al, 2011;Rokstad et al, 2013;Wahlberg et al, 2015;Zuchowski et al, 2015;Nash et al, 2016), and consequently, the findings may not be generalisable and relevant to other health systems. Some of the studies involved only PCPs as participants, whereas the involvement of specialists would have been useful for triangulation (Xiang et al, 2013;Eskeland et al, 2017).…”