1. Motion Analysis CenterShriners Hospitals for Children‐Philadelphia Philadelphia Pennsylvania United‐States
2. Motion Analysis CenterShriners Hospitals for Children‐Houston Houston Texas United‐States
3. Texas Woman's UniversitySchool of Physical Therapy Houston Texas United‐States
4. Department of Orthopaedic SurgeryUniversity of Pittsburgh Medical Center—Hamot Erie Pennsylvania United‐States
5. Motion Analysis CenterShriners Hospitals for Children‐Canada Montréal Quebec Canada
6. Department of SurgeryFaculty of Medicine, McGill University Montréal Quebec Canada