“…Most of them were conducted at a national level, with the exception of 10 multinational ones [9,[12][13][14]44,45,48,49,57,59]. The individual national studies included four studies from France [5,17,19,50], three studies from the USA [10,16,56], two studies each from Turkey [8,43], China [46,47], and Brazil [42,53], as well as one study each from Israel [51], Croatia [11], South Africa [15], India [58], Italy [54], Portugal [52], Spain [7], Greece [6], Sweden [18], and Canada [55]. Four out of 10 multinational studies were conducted in Europe [9,44,48,49], one in Asia [57], one in Australia and New Zealand [12], one in the Middle East [59], one in both the US and Europe [45], and two on a global scale [13,14].…”