[1] UNIV TEXAS,HLTH SCI CTR,DEPT REHABIL MED,SAN ANTONIO,TX 78285
[2] GEORGIA SPINE & SPORTS PHYSICIANS PC,SMYRNA,GA
[3] EMORY UNIV,DEPT PHYS MED & REHABIL,ATLANTA,GA 30322
[4] PUGET SOUND SPORTS PHYSICIANS,WASHINGTON,DC
[5] UNIV WASHINGTON,DEPT REHABIL MED & ORTHOPED,SEATTLE,WA 98195