- Correspondence to Annett Dalbøge, Danish Ramazzini Centre, Department of Occupational Medicine, Aarhus University Hospital, Nørrebrogade 44, Building 2C, DK-8000 Aarhus C, Denmark;
- Received December 22, 2016
- Revised April 13, 2017
- Accepted April 17, 2017
- First published May 10, 2017.
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