1. University of Pittsburgh, PA, USA
2. University of Washington, Seattle, USA
3. The University of Oklahoma Health Sciences Center, Oklahoma City, USA
4. Wayne State University, Detroit, MI, USA
5. The University of North Carolina at Chapel Hill, USA
6. New York University, New York City, USA
7. Pacific Northwest University of Health Sciences, Yakima, WA, USA
8. University of Wisconsin–Madison, USA
9. University of Southern California, Los Angeles, USA
10. University of Puerto Rico, San Juan, Puerto Rico
11. University of Toronto, Ontario, Canada
12. Creighton University, Omaha, NE, USA
13. Visiting Nurse Service of New York, New York City, USA
14. The University of New Hampshire, Durham, USA
15. Washington University in St. Louis, MO, USA
16. McGill University, Montreal, Quebec, Canada
17. Thomas Jefferson University, Philadelphia, PA, USA