prov:value
| - Data were obtained from studies from a variety of countries and regions including the USA (21), Finland (3), Denmark (2), UK (2), Canada (1), Taiwan (1), Israel (1), and a combination of countries (Finland, Italy and the Netherlands, n = 2; Europe, n = 1; and USA with England, n = 1).Age groups studied included samples: of younger age, starting the study in their 6th decade with follow-up genera
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