Institution
- University of Kansas2
- University of Kansas. Medical Center1
- University of Kent at Canterbury1
- University of Leeds2
- University of Leicester1
- University of Liverpool2
- University of London4
- University of Maine1
- University of Manchester1
- University of Manitoba1
- University of Maryland at Baltimore. School of Medicine1
- University of Maryland, Baltimore County1
- University of Maryland, College Park10
- University of Maryland, Munich Campus1
- University of Massachusetts5
- University of Massachusetts Medical Center/Worcester2
- University of Massachusetts Medical School1
- University of Massachusetts at Amherst. Polymer Research Institute1
- University of Melbourne3
- University of Miami. School of Medicine1