1 Subjects: “...diet survey...”

2 Subjects: “...survey...”

3 Subjects: “...survey...”

4 Subjects: “...survey...”

5 Subjects: “...National Health and Examination Survey (NHANES)...”

6 Subjects: “...public survey...”

7 Subjects: “...expert survey...”

8 Subjects: “...visitor satisfaction survey...”

9 Subjects: “...patient survey...”

10 Subjects: “...questionnaire survey...”

11 Subjects: “...cross-sectional survey...”

12 Subjects: “...radon survey...”

13 Subjects: “...China Health and Nutrition Survey...”

14 Subjects: “...questionnaire survey...”

15 Subjects: “...consumer survey...”

16 Subjects: “...cross-sectional survey...”

17 Subjects: “...nationwide survey...”

18 Subjects: “...online survey...”

19 Subjects: “...beach surveys...”

20 Subjects: “...seismic survey...”