1. Erasmus MC (Departments of General Practice, Orthopaedics and Sports Medicine) Rotterdam The Netherlands
2. University of Delaware (Department of Physical Therapy) Newark USA
3. Boston University Boston USA
4. Mercy Catholic Medical Center Darby US
5. Friedrich‐Alexander University Erlangen‐Nuremberg Erlangen DE Germany
6. University of Alabama Birmingham USA
7. University of Iowa Iowa USA
8. University of California San Francisco San Francisco CA USA
9. Northeastern University Department of Physical Therapy, Movement and Rehabilitation Sciences) Boston USA