1. University of Michigan; Department of Orthopaedic Surgery; 24 Frank Lloyd Wright Dr Ann Arbor MI USA 48106
2. VU University; Department of Health Sciences, Faculty of Earth and Life Sciences; PO Box 7057 Room U454 Amsterdam Netherlands 1007 MB
3. University of Maryland School of Medicine; Center for Integrative Medicine; 520 W. Lombard St 2nd Floor Baltimore Maryland USA 21201
4. Institute for Work & Health; 481 University Avenue, Suite 800 Toronto ON Canada M5G 2E9
5. University of Michigan; Department of Epidemiology, School of Public Health; 1415 Washington Heights Rm M5158 Ann Arbor MI USA 48109-2029