Fig. 2

Mapping results from the data extraction. First author and year: (1) Berkelmans et al. (2010) [28], (2) Ekawati et al. (2017) [31], (3) Marcinowicz et al. (2014) [26], (4) Bjorkman et al. (2009) [29], (5) Chauhan et al. (2018), (6) Papp et al. (2014) [35], (7) Naidoo et al. (2019), (8) Ross et al. (2015) [27], (9) Artuso et al. (2013) [33], (10) Aldosari et al. (2017) [38], (11) Croker et al. (2013) [36], (12) Droz et al. (2019) [12], (13) Ofei-Dodoo et al. (2019) [34], (14) Kenny et al. (2015), (15) Sebo et al. (2015) [39], (16) Lionis et al. (2017) [13], (17) Mercado et al. (2012) [40], (18) Hirsch et al. (2016) [37]