“…Of the remaining articles, 22 articles met the eligibility criteria. However, a total of 13 studies were excluded, including non‐randomized controlled studies (Aisa et al, 2005; Batlle et al, 2014; Baysal et al, 2021; Chen et al, 2017; Vokurka et al, 2011; Wojciechowicz et al, 2014), articles whose full text could not be accessed (Toro et al, 2014), studies without stem cell transplantation (Katranci et al, 2012; Papadeas et al, 2007; Sorensen et al, 2008), and articles with participants under the age of 18 (Kamsvåg et al, 2020; Kawaguchi et al, 2020; Magnusson et al, 2017). As a result, a total of nine articles were included in the systematic review (Figure 1).…”