“…After exclusion of papers not written in English or on the frequency of UI in men, in retired communities and in women with neurological diseases or on clinical problems, a total of 40 papers remained. A manual search and a check of reference lists of papers provided the opportunity of identifying 6 other papers [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46]. …”