“…Biomarkers reported in these studies (Table ) included inflammatory or oxidative markers (Chang et al., ; Massarelli et al., ; Rai, Kaur, Jacobs, & Singh, ), growth factors (Beenken et al., , ; Uehara, Ikeda, Nonaka, & Asahina, ; Wan, Meyskens, Armstrong, Taylor, & Kennedy, ), cell signaling biomarkers (Saintigny et al., , , ; Sakata et al., ), genetic and cellular regulatory factors (Lee et al., ; Mao et al., ; Nagao et al., ; Tanic, Tanic, Milasin, Vukadinovic, & Dimitrijevic, ; Visioli, Lauxen, Sant'ana Filho, & Rados, ), ion channels (Fernandez‐Valle, Rodrigo, Garcia‐Pedrero, et al., ; Fernandez‐Valle, Rodrigo, Rodriguez‐Santamarta, et al., ), sustained angiogenesis factors (Kawaguchi et al., ; Lin et al., ; Nayak et al., ; Saintigny et al., ; Yang et al., ), and epigenetic biomarkers (Foy et al., ; Xiao et al., ; Yang et al., ). Studies tended to include small sample sizes, under‐reported or variably reported histopathological data, did not address potential confounding, reported limited/variable follow‐up data, or lacked a control group.…”