“…The specific characteristics of each study that met the inclusion criteria are presented in Table 1 . Publications were mainly authored in the USA (n = 4, 25.0%; Missouri, Pennsylvania [multiple regions of the States], Utah, Wisconsin) [ 21 – 24 ], Australia and New Zealand (n = 4, 25.0%; Auckland, New South Wales, Victoria [two studies]) [ 25 – 28 ], and Asia (n = 4, 25.0%; Indonesia, Saudi Arabia, Singapore, Thailand) [ 29 – 32 ], followed by Europe (n = 2, 12.5%; Italy, UK [multiple European countries] [ 33 , 34 ] and Africa (n = 2, 12.5%; Malawi, South Africa) [ 35 , 36 ]. With regard to the research method, ten studies (62.5%) were quantitative in design, using surveys in all cases [ 21 – 23 , 25 , 26 , 29 – 31 , 33 , 34 ].…”