“…Studies were conducted across 12 countries in a range of settings. Four studies were from Korea, 30,31,34,35 three from the United Kingdom, 19,29,36 two from Spain 37,38 and one each from the United States, 12 Canada, 33 Ireland, 22 India, 39 Greece, 40 Turkey, 41 Israel 42 and France. 43 One study included a population from the United States and Canada 44 and one did not provide the country from which it was conducted.…”