BAASIS© gold standard is the English version. The 2021 BAASIS© version has been translated into into Arabic, Brazilian Portuguese, Chinese (simplified), Czech, Dutch, French, German, Hungarian, Italian, Japanese, Korean, Norwegian, Persian, Spanish, Swedish and Turkish by native speakers using a forward‐backward translation approach based on standard translation protocols (e.g. ISPOR translation guidelines – Wild et al. 2005). Chinese (traditional), Danish, Hebrew, Polish, Tamil, Thai and Urdu translations are currently in preparation. Please contact us for further translation requests.