Is there any conflict of interest suggested by the funding or the researchers’ affiliations?

Read the attached file on a chocolate study and answer the following questions.
I. Did the study appear in a peer-reviewed journal?
•http://science.sciencemag.org/content/suppl/2013/10/03/342.6154.60.DC1
•https://scholarlyoa.com/individual-journals/
3. How big was the sample?
4. Did the researchers control for key differences?
5. Was there a control group?
6. Did the researchers establish causality, correlation, dependence, or some other kind of relationship?
7. Is the journalist, or even the scientist, overstating the result?
8. Is there any conflict of interest suggested by the funding or the researchers’ affiliations?
9. Does the researcher seem to have an agenda?
10. Do the researchers acknowledge limitations and entertain alternative explanations?
2. Who was studied, where?