- Correspondence to Dr. Ève Bourgkard, Department of Occupational Epidemiology, Occupational health and safety Institute (INRS), Vandœuvre-les-Nancy, France;
- Received July 19, 2017
- Revised December 15, 2017
- Accepted December 23, 2017
- First published January 26, 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.