“…Nine studies ( Guan, 2019 , Chai et al., 2018 , Yang et al., 2017 , Zhu et al., 2014 , Lim et al., 2018 , Mitchell et al., 2015 , Vela Acosta et al., 2005 , Hovey et al., 2007 , Kilanowski and Lin, 2013 ) compared outcomes amongst an intervention group and a non-intervention group. Five studies ( He et al., 2012 , Hussain et al., 2020 , H. Lee et al., 2014 , Ning et al., 2013 , Shehadeh et al., 2018 ) compared outcomes of different interventions implemented amongst different groups of the study population.…”