“…Although some contemporary studies address both the demand based and supply based approaches (Bragazzi, Dini, Toletone, Brigo & Durando, ; Bragazzi, Watad, et al., ; Brigo & Erro, ; Lampos, Yom‐Tov, Pebody & Cox, ; Nagar et al., ; Santos & Matos, ). The last group is categorised as ‘other studies’ in which no Web tools were used (Chen et al., ; Kim, Jung, Jung & Hur, ; Kind et al., ; Liu et al., ; Showghi & Williams, ).…”