1. Department of Rehabilitation Medicine University of Washington Seattle Washington USA
2. MultiCare Physical Medicine and Rehabilitation‐ Puyallup Puyallup Washington USA
3. Department of Physical Medicine and Rehabilitation Vanderbilt University Nashville Tennessee USA
4. Department of Medicine, Pulmonary Critical Care & Sleep Medicine University of Washington Seattle Washington USA
5. Spinal Cord Injury Service VA Puget Sound Health Care System Seattle Washington USA