“…The authors identified 657 publications: 52 were selected for detailed review (Figure 1). Twenty papers were included: seven qualitative studies (242 patients) (Arvidsson et al, 2006; Bala et al, 2012; Larsson, Bergman, Fridlund, & Arvidsson, 2012; Long, Kneafsey, Ryan, & Berry, 2002; Primdahl, Wagner, & Horslev‐Petersen, 2011; Temmink, Hutten, Francke, Abu‐Saad, & van der Zee, 2000; van Eijk‐Hustings et al, 2013), nine clinical trials (2,440 patients) (Dougados et al, 2015; Hill, Thorpe, & Bird, 2003; Koksvik et al, 2013; Larsson, Fridlund, Arvidsson, Teleman, & Bergman, 2014; Ndosi et al, 2014; Primdahl, Sorensen, Horn, Petersen, & Horslev‐Petersen, 2014; Ryan, Hassell, Lewis, & Farrell, 2006; Symmons et al, 2005; Tijhuis et al, 2002) and four observational studies (1,234 patients) (Esselens, Westhovens, & Verschueren, 2009; Munoz‐Fernandez et al, 2016; Solomon et al, 2015; Watts et al, 2015), two with cohort and two with case–control designs. Details of these studies are given in Table 1.…”