“…New Zealand [6,26], the United Kingdom [7,12], and the United States [27,28] had two studies each. Canada [29], Denmark [30], Ethiopia [31], Finland [32], Ghana [33], Japan [34], Italy [35], Pakistan [36], South Korea [37], Sweden [38], Taiwan [39], and the Netherlands [1] had one study each. One study recruited participants from Singapore and the USA [40], one study recruited participants from eight European countries (Belgium, Finland, France, Germany, Italy, Poland, Slovakia, and the Netherlands) [41], and another study was conducted in seven sub-Saharan African countries (Ethiopia, Kenya, Nigeria, Rwanda, Tanzania, Uganda, and Zambia) [42].…”