Figure 1.
Flowchart of the study population. The chart illustrates the nested case-control design. Subjects were sampled from the general population, aged ≥25 years. Controls were age- and sex-matched with the cases.

Flowchart of the study population. The chart illustrates the nested case-control design. Subjects were sampled from the general population, aged ≥25 years. Controls were age- and sex-matched with the cases.

Close Modal

or Create an Account

Close Modal
Close Modal