“…The following variables were collected: first author, title, publication year, full paper or abstract, primary aim, study design, location, setting, total study duration, follow up period, sample characteristics, sample size, intervention, outcome/ measure of behaviour change, main results, conclusions. The authors of Malaguti et al (2019) were contacted for clarification regarding follow up period in their study. The authors of Artenie et al (2019) were contacted to obtain updated data, and they kindly provided an unpublished manuscript relating to their INHSU conference abstract.…”