1. Department of Rehabilitation Medicine, Sidney Kimmel Medical College, Philadelphia, Pennsylvania, USA
2. Magee Rehabilitation Hospital, Philadelphia, Pennsylvania, USA
3. Sidney Kimmel Medical College, Philadelphia, Pennsylvania, USA
4. Kessler Institute for Rehabilitation, West Orange, New Jersey, USA
5. Rutgers NJ Medical School, Newark, New Jersey, USA
6. Kessler Foundation, West Orange, New Jersey, USA
7. Shepherd Center, Atlanta, Georgia, USA
8. Spaulding Rehabilitation Hospital, Boston, Massachusetts, USA
9. Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
10. Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA