“…Supplementary Tables 1 and 2 summarize the quantitative and qualitative studies, respectively. About half of the studies were conducted in the United States (Balk, 1990;Cox et al, 2016;Fristad et al, 1993;Harris, 1991;Jenkins et al, 2014;Oosterhoff et al, 2018;Servaty-Seib & Hamilton, 2006;Thyden et al, 2020;Van Eerdewegh et al, 1982, 1985Williams & Aber, 2016;Youngblut et al, 2019). The remaining studies originated from the United Kingdom (Abdelnoor & Hollins, 2004a;Abdelnoor & Hollins, 2004b;Pitman et al, 2018), Norway (Burrell et al, 2020;Steele et al, 2009), Sweden (Berg et al, 2014), Denmark (Høeg et al, 2019), Finland (Prix & Erola, 2017), China/ Tibet (Liu et al, 2019) and South Korea (Khang et al, 2020).…”