1. Cleveland Clinic, Cleveland, OH, USA
2. University of Maryland, Baltimore, MD USA
3. University of Pennsylvania, Philadelphia, PA USA
4. University of Illinois Chicago, Chicago, IL USA
5. Children’s National Hospital, Washington, DC, USA
6. Johns Hopkins University, Baltimore, MD, USA
7. The University of North Carolina at Chapel Hill, Chapel Hill, NC USA
8. St. Luke’s International University, Tokyo, Japan
9. Villanova University, PA, Villanova, USA
10. Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA, USA
11. University of Southern Denmark, Odense, Denmark
12. Sheffield Hallam University, England