“…Regarding the Childhood sample (see Appendix A), out of a total of 13 articles, 2 studies were identified on participants in the nursery age group (Betawi, 2015;Drummond, Paul, Waugh, Hammond, & Brownell, 2014), 9 studies on a sample of participants in the Preschool age group (e.g. Aram, Deitcher, Shoshan, & Ziv, 2017;Baker & Rimm-Kaufman, 2014) and 2 studies following participants' growth from the preschool to primary school (Riquelme & Montero, 2016;Riquelme, Munita, Jara, & Montero, 2013). Of the total of 13 articles, 10 studies have a quantitative research design (of which 4 with control groups), 2 are longitudinal studies without a specific intervention and 1 study has a qualitative research design.…”