epidemiological case study design

select FOUR peer-reviewed journal articles. The four journal articles should be about one disease, and must represent the four study designs discussed in class (cross-sectional, case-control, cohort and randomized clinical trials). INSTRUCTIONS: Please list the TITLE and ALL AUTHORS of the journal article for each of the following epidemiological study designs... 1. Cross-sectional study - List the journal title and ALL authors 2. Case-control study - List the journal title and ALL authors 3. Cohort study - List the journal title and ALL authors 4. Randomized Clinical Trial study - List the journal title and ALL authors