“…The 26 papers 99,103, included in the review used the following designs: four non-randomised trials, 103,162,166,175 18 cross-sectional, 99,[158][159][160][163][164][165][167][168][169][170]173,174,176,[178][179][180][181] two cohort, 161,177 and two qualitative studies. 171,172 Two studies 99,177 described electronic aids with single or multiple generic components, 18 studies 103,[158][159][160][161][162][163][164][165][166][167][168][169][170][171]176,180,181 described el...…”