1. Department of Rehabilitation Medicine, University of Kansase-Kansas City, 3901 Rainbow Blvd, Kansas City, KS 66160
2. Department of Physical Medicine and Rehabilitation; University of Texas Southwestern Medical Center; Dallas Texas
3. Department of Physical Medicine and Rehabilitation; Rosalind Franklin University of Medicine and Science, North Chicago, Illinois; Marianjoy Rehabilitation Hospital; Wheaton Illinois
4. Department of Physical Medicine and Rehabilitation; Northwestern University Feinberg School of Medicine, Chicago, Illinois; Shirley Ryan AbilityLab; Chicago Illinois