From the Toronto Rehabilitation Institute (C.M.R., M.B., R.G., B.J.M., T.D.B.) and the Centre for Sleep Medicine and Circadian Biology (C.M.R., B.J.M., T.D.B.), University of Toronto, Ontario, Canada; the Department of Medicine (C.M.R., T.D.B.), Toronto General Hospital of the University Health Network and Sunnybrook Health Sciences Centre (B.J.M.), Toronto, Ontario, Canada. (At 2011-04)
