I've actually just received my interview offer earlier this week so preparation has been slim. If I were in your shoes, I would just evaluate on why you would rather be at Wisconsin compared to other colleges. perhaps review the multiple resources offered at the campus as well seeing that it is a full fledged medical school.

Looking at matriculation stats for 2016, getting an interview means you are already the top 50% of applicants so you are already ahead of the curve.

Kill it Tuesday and let me know what happens! I'll DM you.