“…Table 2 summarizes the study characteristics. Most of the studies were conducted in Europe (the UK, Finland, Sweden and Denmark) (Akeson et al, 2007;Alanne et al, 2014;Alanne, Laitinen, Söderlund, & Paavilainen, 2012;Begen et al, 2018;Gallagher et al, 2012;Gunnarsson & Hydén, 2009;Lagercrantz et al, 2017;MacKenzie et al, 2015;Pitchforth et al, 2011;Rouf et al, 2012;Stjerna et al, 2014;Valentine & Knibb, 2011), some from the Americas (the US, Canada and Brazil) (Abdurrahman et al, 2013;Broome et al, 2015;Franciosi et al, 2012;Gillespie et al, 2007;Gupta et al, 2008;Harrington et al, 2015;Vargas et al, 2011;Yonamine et al, 2013) and two studies were conducted in Australia and New Zealand (Crowley et al, 2012;McBride et al, 2010). Several studies had mixed study populations and included parents and children across different age groups, see Table 2.…”