- Correspondence to Johan Høy Jensen, Department of Occupational and Environmental Medicine, Copenhagen University Hospital, Bispebjerg Hospital, Copenhagen DK-2400, Denmark;
- Received October 31, 2017
- Revised April 10, 2018
- Accepted April 21, 2018
- First published May 14, 2018.
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.