“…A total of 13,094 participants with childhood cancer and 7,079 healthy controls were included across 18 studies (Brown et al., ; Gianinazzi et al., ; Gunn et al., ; Harila, Niinivirta, Winqvist, & Harila‐Saari, ; Kamibeppu et al., ; Kazak et al., ; Kremer et al., ; Mackie, Hill, Kondryn, & McNally, ; Maunsell, Pogany, Barrera, Shaw, & Speechley, ; Michel et al., ; Schwartz & Drotar, ; Seitz et al., ; Servitzoglou et al., ; Stam, Grootenhuis, Caron, & Last, ; Sundberg et al., ; Teta et al., ; Zeltzer et al., , ). On average, cancer survivors were 28.8 years old, and controls were 26.3 years old, as reported in 17 studies.…”