“…The PIs were applied in Africa (Ahmad, Haie, Yen, & Tuqan, 2018; Al Zayed et al, 2015), Asia (Chandran & Ambili, 2016; Rowshon et al, 2014), Europe (Andrés & Cuchí, 2014; Gadanakis et al, 2015; Merchán et al, 2015), Middle‐east (Yigezu et al, 2013), North America (Haie & Keller, 2012; Lecina et al, 2011) and South America (Ahadi et al, 2013; Angella et al, 2016). The geographical coverage of the publications is presented in Figure 11.…”