“…Almost all patients with cancer undergoing chemotherapy and radiotherapy experience very severe fatigue (Charalambous & Kouta, 2016;Erturk, Yildirim, Kilic, Ozer, & Aykar, 2015; Muszalik, Kołucka-Pluta, Kędziora-Kornatowska, & Robaczewska, 2016;Polanski, Jankowska-Polanska, Rosinczuk, Chabowski, & Szymanska-Chabowska, 2016;Williams, Bohac, Hunter, & Cella, 2016). Cancer treatment modalities and emotional problems contribute to fatigue (Blomberg et al, 2016;Johannson et al, 2018;Kim, Hickok, & Morrow, 2006;Sato & Sumi, 2015).…”