“…Reasons for exclusion are depicted in Figure . A total of 42 studies could be included in this review (Achille et al, ; Armuand et al, ; Babb et al, ; Bann et al, ; Boltezar et al, ; Branvall et al, ; Brydøy et al, ; Chang, Chen, Chen, & Hsieh, ; Crha et al, ; Fitoussi et al, ; Gilfillan et al, ; Girasole et al, ; Greaves et al, ; Grover, Deal, Wood, & Mersereau, ; Harrison, Welch, Matook, & Schwartz, ; Hoshi et al, ; van der Kaaij et al, ; Kamimura, Matsumoto, Zhou, Moriyama, & Saijo, ; Kelvin et al, ; Klosky, Anderson, et al, ; Klosky, Flynn, et al, ; Klosky et al, ; Klosky, Wang, et al, ; Kumar, Merali, Pond, & Zbuk, ; Latif & Ali, ; Naccache et al, ; Neal et al, ; Noetzli et al, ; Pacey et al, ; Ping, Gu, Li, Huang, & Li, ; Ramstein et al, ; Richter, Mehnert, & Geue, ; Rieker, Fitzgerald, & Kalish, ; Rooney et al, ; Rotker et al, ; Schover et al, ; Schover, Rybicki, Martin, & Bringelsen, ; Sheth et al, ; Shnorhavorian et al, ; Sonnenburg, Brames, Case‐Eads, & Einhorn, ; Wang, Chen, Ruan, & Cheung, ; Xu et al, ). No additional study could be identified by checking the references of included papers, and we did not receive any additional relevant studies by contacting the corresponding authors of included trials.…”