“…The definitions used also varied in their requirements with respect to anatomic site, quality and duration of pain, as well as accompanying features. Of the 36 RCTs, 26 used a consensus definition, or one that resembled a consensus definition, as a tool for case identification (Table ), while ten did not (Bergdahl, Anneroth, & Perris, ; Bessho, Okubo, Hori, Murakami, & Iizuka, ; Femiano, Gombos, & Scully, ; Femiano, Gombos, Scully, Busciolano, & De Luca, ; Heckmann, Kirchner, Grushka, Wichmann, & Hummel, ; López‐Dalessandro & Escovich, ; de Rivera, Campillo, Lopez‐Lopez, & Chimenos‐Kustner, ; Sugaya et al., ; Toida et al., ; Treldal et al., ).…”