1. McGaw Medical Center Northwestern University Feinberg School of Medicine Chicago IL USA
2. Shirley Ryan Ability Lab Chicago IL USA
3. Department of Physical Medicine and Rehabilitation Northwestern University Feinberg School of Medicine Chicago IL USA
4. The Division of Pulmonary and Critical Care Department of Medicine Northwestern University Feinberg School of Medicine Chicago IL USA
5. Department of Radiology Northwestern University Feinberg School of Medicine Chicago IL USA
6. Department of Physical Medicine and Rehabilitation Mayo Clinic Rochester MN USA
7. Department of Neurology Mayo Clinic Rochester MN USA
8. The Ken and Ruth Davee Department of Neurology Northwestern University Feinberg School of Medicine Chicago IL USA