1. Department of Physical Medicine and Rehabilitation, Rutgers University – New Jersey Medical School, Center for Ventilator Management Alternatives and Pulmonary Rehabilitation of the University Hospital of Newark, Newark, NJ, USA
2. Department of Physical Medicine and Rehabilitation, Rutgers University – New Jersey Medical School, Newark, NJ, USA
3. Pulmonary Division, Department of Medicine, Conamaugh Memorial Medical Center, Johnstown, PA, USA
4. Department of Neurology, Rutgers University – New Jersey Medical School, Newark, NJ, USA