“…Included papers were assigned to one of two categories: A) General Population [9 papers] (Hunt and Fish, 2008;Howard et al, 2010;Guasp, 2012;H Khalifeh et al, 2013;Hind Khalifeh et al, 2013;Jonas et al, 2014;Khalifeh, Johnson, et al, 2015;Khalifeh, Moran, et al, 2015;Khalifeh, Oram, et al, 2015); and B) Clinical Population [7 papers] (Johnson et al, 2007;Dhairyawan et al, 2013;Sanmani, Sheppard and Chapman, 2013;Wokoma et al, 2014;Hester et al, 2015;Warren-Gash et al, 2016;Bacchus et al, 2017). The PRISMA chart is shown in Figure 1.…”