Affiliation: | (1) Department of Epidemiology, Maastricht University, 6200 MD, PO Box 616, Maastricht, The Netherlands;(2) Department of Physical Medicine and Rehabilitation, Harvard Medical School, New England Baptist Hospital, Boston, Massachusetts;(3) Division of Physical Therapy, University of Utah, Salt Lake City, Utah;(4) Department of Public and Occupational Health, EMGO Institute and Body@Work TNO Vumc VU University Medical Center, Amsterdam, The Netherlands;(5) Center for Disability Research, Liberty Mutual Research Institute for Safety, Hopkinton, Massachusetts |