- Correspondence to Marie Vestergaard Vad, Occupational Medicine, Herning Hospital, Denmark and Occupational Medicine, Aarhus University Hospital, Danish Ramazzini Centre, Aarhus 8200, Denmark;
- Received April 28, 2019
- Revised July 29, 2019
- Accepted August 23, 2019
- First published September 4, 2019.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.