1. Think+Speak Lab Shirley Ryan AbilityLab Chicago Illinois U.S.A.
2. Department of Physical Medicine and Rehabilitation Feinberg School of Medicine Northwestern University Chicago Illinois U.S.A.
3. Department of Communication Sciences and Disorders University of Northern Iowa Cedar Falls Iowa U.S.A.
4. Strength and Endurance Lab, Spinal Cord Injury Program Shirley Ryan AbilityLab Chicago Illinois U.S.A.
5. Department of Otolaryngology Head and Neck Surgery, Morsani College of Medicine University of South Florida Tampa Florida U.S.A.