“…However, since the electronic database searches were conducted using English language search terms, only records with a title and/or abstract in English could be retrieved at this initial stage. If a record was written in a language other than those spoken by the authors of this review or those of other reviews in the series ( Descatha et al, 2018 , Descatha et al, 2020 , Godderis et al, 2018 , Hulshof et al, 2019 , Hulshof et al, 2021b , Hulshof et al, 2021a , Li et al, 2018 , Li et al, 2020 , Mandrioli et al, 2018 , Pachito et al, 2020 , Paulo et al, 2019 , Pega et al, 2020a , Rugulies et al, 2019 , Teixeira et al, 2019 , Teixeira et al, 2021 , Tenkate et al, 2019 ), (i.e. Arabic, Bulgarian, Chinese, Danish, Dutch, English, French, Finnish, German, Hungarian, Italian, Japanese, Norwegian, Portuguese, Russian, Spanish, Swedish and Thai), then the record was translated into English.…”