Mannino and colleagues (14) |
United States |
1.1 million |
43 |
26 |
8 |
— |
Hansell and colleagues (17) |
England |
312,000 |
60 |
26 |
8 |
4 |
Camilli and colleagues (116) |
Tucson |
86 |
23 |
42 |
9 |
26 |
Huiart and colleagues (15) |
Canada |
2,000 |
14 |
38 |
— |
— |
Anthonisen and colleagues (8) |
United States |
149 |
< 15 |
25 |
60 |
— |
Zielinski and colleagues (41) |
Europe |
215 |
38 |
27 |
7 |
21 |
Waterhouse and colleagues (120) |
Europe |
103 |
49 |
22 |
21 |
— |
Keistinen and colleagues (118) |
Europe |
973 |
22 |
37 |
21 |
4 |
Vilkman and colleagues (117) |
Europe |
1,070 |
30 |
37 |
20 |
— |
Celli and colleagues (119) |
United States, Spain, Venezuela |
162 |
61 |
14 |
12 |
— |