How can we select the best MBBS college?

According to the QS World University Rankings by Subject 2019: Medicine, below is the list of the Top 25 Medical Universities in the world:

1. Harvard University, United States.

2. University of Oxford, United Kingdom

3. University of Cambridge, United Kingdom

4. Stanford University, United States

5. Johns Hopkins University, United States

6. Karolinska Institutet, Sweden

7. University of California, Los Angeles (UCLA), United States

8. Yale University, United States

9. Massachusetts Institute of Technology (MIT), United States

10. UCL, United Kingdom

11. University of California, San Francisco, United States

12. Imperial College, London, United Kingdom

13. University of Toronto, Canada

14. Columbia University, United States

15. University of Pennsylvania, United State