On the 'Circulation: Cardiovascular Quality and Outcomes' journal homepage, identify the primary focus of the journal. Additionally, list the immediate ways presented on this page for an individual to engage with or contribute to the American Heart Association's mission.
Navigate to circoutcomes.ahajournals.org. Locate and extract the description of 'Circulation: Cardiovascular Quality and Outcomes' journal. Identify and list the direct links or sections on the homepage that offer opportunities to get involved with or support the American Heart Association.
State that the journal is 'A catalyst for outstanding clinical and epidemiological science and policy information that enhances cardiovascular health and healthcare.' List 'Become a member', 'Volunteer', and 'Donate' as ways to get involved or support the American Heart Association.