1. VU University Amsterdam; Department of Health Sciences, Faculty of Earth and Life Sciences; PO Box 7057 Room U454 Amsterdam Netherlands 1007 MB
2. VU University Medical Center; EMGO Institute for Health and Care Research; PO Box 7057 Amsterdam Netherlands 1007 MB
3. Institute for Work & Health; 481 University Avenue, Suite 800 Toronto ON Canada M5G 2E9
4. St Michael's Hospital; Toronto ON Canada
5. VU University; De Boelelaan 1105 Amsterdam Netherlands 1081 HV