作者单位:Mt Sinai Rehabil Hosp, Trinity Hlth New England, Mandell Ctr Multiple Sclerosis, 490 Blue Hills Ave[1]St Josephs Hosp, Dign Hlth, 350 W Thomas Rd, Phoenix, AZ 85013 USA[2]Rocky Mt Reg Vet Affairs Med Ctr, 1700 N Wheeling,St, Aurora, CO 80045 USA[3]Yeshiva Univ, Ferkauf Grad Sch Psychol, 1165 Morris Pk Ave, Bronx, NY 10461 USA[4]