[1] Franklin Pierce Coll, Phys Therapy Program, Dept Phys Therapy, Concord, NH 03301 USA
[2] Concord Hosp, Rehabil Serv, Concord, CO USA
[3] Regis Univ, Dept Phys Therapy, Denver, CO USA
[4] Univ Utah, Div Phys Therapy, Salt Lake City, UT USA
[5] Intermtn Hlth Care, Salt Lake City, UT USA
[6] Concord Hosp, Rehabil Serv, Concord, NH USA