1. Keele University Staffordshire UK
2. Cardiff University Cardiff UK
3. The University of Queensland Brisbane Queensland Australia
4. Princess Paola Hospital, Marche‐en‐Famenne, and University of Liège Liège Belgium
5. University of Melbourne Victoria Australia
6. Aalborg University Aalborg Denmark
7. Vanderbilt University Medical Center, Nashville, Tennessee, and University of Delaware Newark
8. University of Southern Denmark and Næstved‐Slagelse‐Ringsted Hospitals Odense Denmark
9. University of North Carolina at Chapel Hill
10. University of Nebraska Medical Center Omaha
11. University of Delaware Newark