“…It is well known that catastrophizing plays an important role in the syndromes of fibromyalgia and chronic low back pain with respect to prevalence and the severity of pain (Angarita‐Osorio et al, 2020; Catala et al, 2020; Écija et al, 2020; Edwards et al, 2006; Fillingim et al, 2020; Galvez‐Sánchez et al, 2020; Lazaridou et al, 2020; Marshall et al, 2017; Othman et al, 2020; Pulido‐Martos et al, 2020; Wertli, Burgstaller, et al, 2014; Wertli, Eugster, et al, 2014). Relatively high levels of perceived disease severity compared to other chronic pain conditions are reported for fibromyalgia (Angst et al, 2021; Bucourt et al, 2021; Fillingim et al, 2020; Salaffi et al, 2019).…”