1. Department of Molecular Medicine (L.T.), Columbia University, New York, New York 10029
2. Center for Orthopaedic Research (T.G., C.Y., F.Y.L.), New York, New York 10029;
3. Sacred Heart Hospital/Temple University (H.A.), Allentown, Pennsylvania 16102
4. National Center for the Medical Consequences of Spinal Cord Injury (C.P.C., W.A.B., H.A.T.), James J. Peters VA Medical Center, Bronx, New York 10468
5. Departments of Medicine (C.P.C., W.A.B., H.A.T.), New York, New York 10029
6. Rehabilitation Medicine (C.P.C., W.A.B.), New York, New York 10029
7. Pharmacology and Systems Therapeutics (C.P.C.), The Icahn School of Medicine at Mount Sinai, New York, New York 10029
8. College of Dental Medicine (D.S.O.), New York, New York 10029